Version:2.4.1
NumericalData
ResourceID
spase://NASA/NumericalData/RBSP/A/Ephemeris/PT12M
ResourceHeader
ResourceName
Van Allen Probe A 12-min Position Data
DOI
https://doi.org/10.48322/77kw-4j43
ReleaseDate
2022-08-18 12:34:56.789
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:15:11
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2022-08-18 12:34:56.789
Note
Added DOI and PublicationInfo minted by LFB, updated InformationURL URLs as needed, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220818
Description
RBSP A satellite position and magnetic field model information.
Acknowledgement
NASA Space Physics Data Facility (SPDF) Satellite Situation Center (SSC).
PublicationInfo
Authors
R.M. Candey
PublicationDate
2022-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
PriorIDs
spase://VSPO/NumericalData/RBSP/A/Ephemeris/PT12M
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
SSCWeb
URL
ProductKey
rbspa
Format
CDF
InstrumentIDs
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
2012-08-30 00:00:00.000Z
StopDate
2019-10-18 16:30:00Z
Cadence
PT12M
Parameter #1
Name
Epoch Time
ParameterKey
Epoch
Description
Number of milliseconds since the CDF epoch
Units
ms
UnitsConversion
1e-3>s
ValidMin
01-Jan-1956 00:00:00.000
ValidMax
01-Jan-2083 00:00:00.000
FillValue
-1.0E31
Support
Parameter #2
Name
GEI position
ParameterKey
XYZ_GEI
Description
Spacecraft position in GEI
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GEI
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #3
Name
GEI latitude
ParameterKey
GEI_LAT
Description
Latitude of the spacecraft position in GEI
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEI
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #4
Name
GEI longitude
ParameterKey
GEI_LON
Description
Longitude of the spacecraft position in GEI
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEI
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #5
Name
J2000 position
ParameterKey
XYZ_J2000
Description
Spacecraft position in J2000
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
J2000
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #6
Name
J2000 latitude
ParameterKey
J2000_LAT
Description
Latitude of the spacecraft position in J2000
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
J2000
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #7
Name
J2000 longitude
ParameterKey
J2000_LON
Description
Longitude of the spacecraft position in J2000
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
J2000
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #8
Name
GEO position
ParameterKey
XYZ_GEO
Description
Spacecraft position in GEO
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GEO
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #9
Name
GEO latitude
ParameterKey
GEO_LAT
Description
Latitude of the spacecraft position in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #10
Name
GEO longitude
ParameterKey
GEO_LON
Description
Longitude of the spacecraft position in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #11
Name
GEO local time
ParameterKey
GEO_LCT_T
Units
hours
ValidMin
0.0
ValidMax
24.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #12
Name
GM position
ParameterKey
XYZ_GM
Description
Spacecraft position in GM
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #13
Name
GM latitude
ParameterKey
GM_LAT
Description
Latitude of the spacecraft position in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #14
Name
GM longitude
ParameterKey
GM_LON
Description
Longitude of the spacecraft position in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #15
Name
GM local time
ParameterKey
GM_LCT_T
Units
hours
ValidMin
0.0
ValidMax
24.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #16
Name
GSE position
ParameterKey
XYZ_GSE
Description
Spacecraft position in GSE
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #17
Name
GSE latitude
ParameterKey
GSE_LAT
Description
Latitude of the spacecraft position in GSE
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #18
Name
GSE longitude
ParameterKey
GSE_LON
Description
Longitude of the spacecraft position in GSE
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #19
Name
GSE local time
ParameterKey
GSE_LCT_T
Units
hours
ValidMin
0.0
ValidMax
24.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #20
Name
GSM position
ParameterKey
XYZ_GSM
Description
Spacecraft position in GSM
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSM
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #21
Name
GSM latitude
ParameterKey
GSM_LAT
Description
Latitude of the spacecraft position in GSM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSM
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #22
Name
GSM longitude
ParameterKey
GSM_LON
Description
Longitude of the spacecraft position in GSM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSM
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #23
Name
SM position
ParameterKey
XYZ_SM
Description
Spacecraft position in SM
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SM
Structure
Size
3
Element
Name
x
Qualifier
Component.I
Index
1
FillValue
-1.0E31
Element
Name
y
Qualifier
Component.J
Index
2
FillValue
-1.0E31
Element
Name
z
Qualifier
Component.K
Index
3
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #24
Name
SM latitude
ParameterKey
SM_LAT
Description
Latitude of the spacecraft position in SM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SM
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #25
Name
SM longitude
ParameterKey
SM_LON
Description
Longitude of the spacecraft position in SM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SM
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #26
Name
SM local time
ParameterKey
SM_LCT_T
Units
hours
ValidMin
0.0
ValidMax
24.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #27
Name
Space Region
ParameterKey
SPACECRAFT_REGIONS
Description
Region in space where the spacecraft is located. Values are: 1 = INTERPLANETARY_MEDIUM, 2 = DAYSIDE_MAGNETOSHEATH, 3 = NIGHTSIDE_MAGNETOSHEATH, 4 = DAYSIDE_MAGNETOSPHERE, 5 = NIGHTSIDE_MAGNETOSPHERE, 6 = PLASMA_SHEET, 7 = TAIL_LOBE, 8 = LOW_LATITUDE_BOUNDARY_LAYER, 9 = HIGH_LATITUDE_BOUNDARY_LAYER, 10 = DAYSIDE_PLASMASPHERE, 11 = NIGHTSIDE_PLASMASPHERE.
ValidMin
1
ValidMax
11
FillValue
-2147483648
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #28
Name
Radial Traced Footpoint Region
ParameterKey
RADIAL_TRACED_REGIONS
Description
Region on the Earth's surface where a straight line would intersect when connecting the spacecraft and the Earth's center. Values are: 0 = NOT_APPLICABLE, 1 = NORTH_CUSP, 2 = SOUTH_CUSP, 3 = NORTH_CLEFT, 4 = SOUTH_CLEFT, 5 = NORTH_AURORAL_OVAL, 6 = SOUTH_AURORAL_OVAL, 7 = NORTH_POLAR_CAP, 8 = SOUTH_POLAR_CAP, 9 = NORTH_MID_LATITUDE, 10 = SOUTH_MID_LATITUDE, 11 = LOW_LATITUDE.
ValidMin
0
ValidMax
11
FillValue
-2147483648
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #29
Name
North B Traced Footpoint Region
ParameterKey
NORTH_BTRACED_REGIONS
Description
Region on the Earth's surface where the magnetic field line that passes through the spacecraft intersects the Earth's surface in the Earth's northern magnetic hemisphere. Values are: 0 = NOT_APPLICABLE, 1 = NORTH_CUSP, 3 = NORTH_CLEFT, 5 = NORTH_AURORAL_OVAL, 7 = NORTH_POLAR_CAP, 9 = NORTH_MID_LATITUDE, 11 = LOW_LATITUDE.
ValidMin
0
ValidMax
11
FillValue
-2147483648
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #30
Name
South B Traced Region
ParameterKey
SOUTH_BTRACED_REGIONS
Description
Region on the Earth's surface where the magnetic field line that passes through the spacecraft intersects the Earth's surface in the Earth's southern magnetic hemisphere. Values are: 0 = NOT_APPLICABLE, 2 = SOUTH_CUSP, 4 = SOUTH_CLEFT, 6 = SOUTH_AURORAL_OVAL, 8 = SOUTH_POLAR_CAP, 10 = SOUTH_MID_LATITUDE, 11 = LOW_LATITUDE.
ValidMin
0
ValidMax
11
FillValue
-2147483648
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #31
Name
Radial Distance
ParameterKey
RADIUS
Description
Radial distance of the spacecraft
Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Magnitude
SupportQuantity
Positional
Parameter #32
Name
Magnetic Field Strength
ParameterKey
MAG_STRTH
Description
Model predicted magnetic field strength
Units
nT
ValidMin
0.0
FillValue
-1.0E31
Field
Parameter #33
Name
Dipole L Value
ParameterKey
L_VALUE
Description
Mcllwain L value at the spacecraft's location
ValidMin
1.5
ValidMax
5.0
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #34
Name
Dipole Invariant Lattitude
ParameterKey
INVAR_LAT
Description
Dipole invariant latitudes at the spacecraft's location
Units
Deg
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #35
Name
Distance to neutral sheet
ParameterKey
DNEUTS
Description
Distance from satellite to neutral sheet
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Positional
Parameter #36
Name
Distance to bow shock
ParameterKey
BOW_SHOCK
Description
Distance from satellite to bow shock
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Positional
Parameter #37
Name
Distance to magnetopause
ParameterKey
MAG_PAUSE
Description
Distance from satellite to magnetopause
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Positional
Parameter #38
Name
Magnetic Field Strength along the GSE X axis
ParameterKey
MAG_X
Description
Model predicted magnetic field strength along the GSE X axis
Units
nT
ValidMin
0.0
FillValue
-1.0E31
Field
Qualifier
Component.I
FieldQuantity
Magnetic
Parameter #39
Name
Magnetic Field Strength along the GSE Y axis
ParameterKey
MAG_Y
Description
Model predicted magnetic field strength along the GSE Y axis
Units
nT
ValidMin
0.0
FillValue
-1.0E31
Field
Qualifier
Component.J
FieldQuantity
Magnetic
Parameter #40
Name
Magnetic Field Strength along the GSE Z axis
ParameterKey
MAG_Z
Description
Model predicted magnetic field strength along the GSE Z axis
Units
nT
ValidMin
0.0
FillValue
-1.0E31
Field
Qualifier
Component.K
FieldQuantity
Magnetic
Parameter #41
Name
North Hemisphere B Trace GEO latitude
ParameterKey
NorthBtrace_GEO_LAT
Description
Latitude of the northern magnetic field traced footpoint in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
0.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #42
Name
North Hemisphere B Trace GEO longitude
ParameterKey
NorthBtrace_GEO_LON
Description
Longitude of the northern magnetic field traced footpoint in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #43
Name
North Hemisphere B Trace GEO arc length
ParameterKey
NorthBtrace_GEO_ARCLEN
Description
Length of the magnetic field traced arc from the spacecraft to the northern footpoint in GEO
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #44
Name
South Hemisphere B Trace GEO latitude
ParameterKey
SouthBtrace_GEO_LAT
Description
Latitude of the southern magnetic field traced footpoint in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
-90.0
ValidMax
0.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #45
Name
South Hemisphere B Trace GEO longitude
ParameterKey
SouthBtrace_GEO_LON
Description
Longitude of the southern magnetic field traced footpoint in GEO
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GEO
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #46
Name
South Hemisphere B Trace GEO arc length
ParameterKey
SouthBtrace_GEO_ARCLEN
Description
Length of the magnetic field traced arc from the spacecraft to the southern footpoint in GEO
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #47
Name
North Hemisphere B Trace GM latitude
ParameterKey
NorthBtrace_GM_LAT
Description
Latitude of the northern magnetic field traced footpoint in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
0.0
ValidMax
90.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #48
Name
North Hemisphere B Trace GM longitude
ParameterKey
NorthBtrace_GM_LON
Description
Longitude of the northern magnetic field traced footpoint in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #49
Name
North Hemisphere B Trace GM arc length
ParameterKey
NorthBtrace_GM_ARCLEN
Description
Length of the magnetic field traced arc from the spacecraft to the northern footpoint in GM
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Other
Parameter #50
Name
South Hemisphere B Trace GM latitude
ParameterKey
SouthBtrace_GM_LAT
Description
Latitude of the southern magnetic field traced footpoint in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
-90.0
ValidMax
0.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #51
Name
South Hemisphere B Trace GM longitude
ParameterKey
SouthBtrace_GM_LON
Description
Longitude of the southern magnetic field traced footpoint in GM
Units
Deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
MAG
ValidMin
-180.0
ValidMax
360.0
FillValue
-1.0E31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #52
Name
South Hemisphere B Trace GM arc length
ParameterKey
SouthBtrace_GM_ARCLEN
Description
Length of the magnetic field traced arc from the spacecraft to the southern footpoint in GM
Units
Km
ValidMin
0.0
FillValue
-1.0E31
Support
Qualifier
Scalar
SupportQuantity
Other