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IMP 8 Spacecraft Positions

ResourceID
spase://NASA/NumericalData/IMP8/Ephemeris/PT12M

Description

IMP-8 spacecraft positions in various coordinate systems

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Details

Version:2.2.9

NumericalData

ResourceID
spase://NASA/NumericalData/IMP8/Ephemeris/PT12M
ResourceHeader
ResourceName
IMP 8 Spacecraft Positions
ReleaseDate
2020-07-07 21:14:39Z
Description

IMP-8 spacecraft positions in various coordinate systems

Contacts
RolePerson
1.Scientistspase://SMWG/Person/Adam.Szabo
PriorIDs
spase://VMO/NumericalData/IMP8/Ephemeris/PT12M
spase://VSPO/NumericalData/IMP8/Ephemeris/PT12M
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/imp/imp8/orbit/or_ssc/
Description

NASA/GSFC CDAWeb ftp access to the data.

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/imp/imp8/orbit/or_ssc/
Description

In CDF via HTTP from SPDF

Format
CDF
Encoding
None
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb
URL
https://cdaweb.sci.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=I8_OR_SSC&index=sp_phys
ProductKey
I8_OR_SSC
Description

I8_OR_SSC with subset, plot and list via CDAWeb

AccessURL
Name
SSCWeb
URL
https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi
ProductKey
imp8
Format
Text
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
InstrumentIDs
spase://SMWG/Instrument/IMP8/Ephemeris
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
1973-10-30 00:00:00Z
RelativeStopDate
P0D
Cadence
PT12M
Parameter #1
Name
Epoch
ParameterKey
Epoch
Description

Number of milliseconds since the epoch 01-Jan-1956 00:00:00

Units
ms
UnitsConversion
1e-3>s
FillValue
-1.0e31
Support
SupportQuantity
Temporal
Parameter #2
Name
GSE Latitude
ParameterKey
GSE_LAT
Description

Spacecraft latitude in GSE coordinates

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #3
Name
GSE Longitude
ParameterKey
GSE_LON
Description

Spacecraft longitude in GSE coordinates

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
0.0
ValidMax
360.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #4
Name
GSE Local Time
ParameterKey
GSE_LCT_T
Description

Local time in GSE coordinates

Units
hr
UnitsConversion
3600>s
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
0.0
ValidMax
24.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #5
Name
GSM Latitude
ParameterKey
GSM_LAT
Description

Spacecraft latitude in GSM coordinates

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSM
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional
Parameter #6
Name
GSM Longitude
ParameterKey
GSM_LON
Description

Spacecraft longitude in GSM coordinates

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSM
ValidMin
0.0
ValidMax
360.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #7
Name
Radial distance
ParameterKey
RADIUS
Description

Radial distance from the center of Earth

Units
Re
UnitsConversion
6.378e6>m
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
GSE
ValidMin
0.0
ValidMax
250.0
FillValue
-1.0e+31
Support
Qualifier
Magnitude
SupportQuantity
Positional
Parameter #8
Name
GSE Position Vector
ParameterKey
XYZ_GSE
Description

Position in cartesian GSE coordinates

Units
Re
UnitsConversion
6.378e6>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
GSE X
Qualifier
Component.I
Index
1
Element
Name
GSE Y
Qualifier
Component.J
Index
2
Element
Name
GSE Z
Qualifier
Component.K
Index
3
ValidMin
-250.0
ValidMax
250.0
FillValue
-1.0e+31
Support
SupportQuantity
Positional
Parameter #9
Name
GSM Position Vector
ParameterKey
XYZ_GSM
Description

Position in cartesian GSM coordinates

Units
Re
UnitsConversion
6.378e6>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSM
Structure
Size
3
Element
Name
GSM X
Qualifier
Component.I
Index
1
Element
Name
GSM Y
Qualifier
Component.J
Index
2
Element
Name
GSM Z
Qualifier
Component.K
Index
3
ValidMin
-250.0
ValidMax
250.0
FillValue
-1.0e+31
Support
SupportQuantity
Positional