Version:2.3.2
NumericalData
ResourceID
spase://NASA/NumericalData/IMP8/Ephemeris/PT12M
ResourceHeader
ResourceName
IMP 8 Spacecraft Positions
ReleaseDate
2021-04-27 15:38:11Z
Description
IMP-8 spacecraft positions in various coordinate systems
Contacts
PriorIDs
spase://VMO/NumericalData/IMP8/Ephemeris/PT12M
spase://VSPO/NumericalData/IMP8/Ephemeris/PT12M
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
NASA/GSFC CDAWeb ftp access to the data.
AccessURL
Name
HTTPS from SPDF
URL
Description
In CDF via HTTP from SPDF
Format
CDF
Encoding
None
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb
URL
ProductKey
I8_OR_SSC
Description
I8_OR_SSC with subset, plot and list via CDAWeb
AccessURL
Name
SSCWeb
URL
ProductKey
imp8
Format
Text
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/imp/imp8/orbit/or_ssc
AccessFilenameTemplate
i8_or_ssc_$Y$m$d_$v.cdf
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
Style
WebService
ProductKey
I8_OR_SSC
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
SSCWeb Programmatic Data Access
URL
Style
WebService
ProductKey
I8_OR_SSC
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
4D Orbit Viewer
URL
ProductKey
I8_OR_SSC
Description
4D viewer for this data. Note: this AccessInformation element was added by HDPWS.
Format
HTML
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
I8_OR_SSC
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
InstrumentIDs
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
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
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