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Data Access

Vega 1 Trajectory Data

ResourceID
spase://NASA/NumericalData/Vega1/Ephemeris/P1D

Description

Daily Vega 1 position data in Solar Ecliptic and HGI coordinates.

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Details

Version:2.7.1

MetadataRightsList

Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions

Version:2.7.1

NumericalData

ResourceID
spase://NASA/NumericalData/Vega1/Ephemeris/P1D
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Vega 1 Trajectory Data
ReleaseDate
2025-12-04 13:32:24Z
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:15:50Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-12-04 13:32:24Z
Note
Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. ZCB
Description

Daily Vega 1 position data in Solar Ecliptic and HGI coordinates.

Acknowledgement
National Space Science Data Center(NSSDC), Space Physics Data Facility(SPDF).
Contacts
RolePersonStartDateStopDateNote
1.GeneralContactspase://SMWG/Person/Valery.G.Petrov
2.TechnicalContactspase://SMWG/Person/Natalia.E.Papitashvili
3.MetadataContactspase://SMWG/Person/Jan.Merka
PriorIDs
spase://VHO/NumericalData/Vega1/Ephemeris/P1D
spase://VSPO/NumericalData/Vega1/Ephemeris/P1D
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/zzz_old/vega_data_from_nssdc/mag/
Description

FTP access to Vega mission data at NSSDC.

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/zzz_old/vega_data_from_nssdc/mag/
Description

In CDF via HTTP from SPDF

Format
Text.ASCII
Encoding
ASCII
InstrumentIDs
spase://SMWG/Instrument/Vega1/Ephemeris
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
1984-12-22 21:00:00Z
StopDate
1986-06-29 21:00:00Z
Cadence
P1D
ObservedRegion
Heliosphere.Inner
ObservedRegion
Venus
ObservedRegion
Comet
Parameter #1
Name
Time
ParameterKey
Column 1
Description

Time (UT)

Support
SupportQuantity
Temporal
Parameter #2
Name
Xse
ParameterKey
Column 2
Description

X component of spacecraft position in SE coordinates

Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SE
Support
Qualifier
Component.I
SupportQuantity
Positional
Parameter #3
Name
Yse
ParameterKey
Column 3
Description

Y component of spacecraft position in SE coordinates

Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SE
Support
Qualifier
Component.J
SupportQuantity
Positional
Parameter #4
Name
Zse
ParameterKey
Column 4
Description

Z component of spacecraft position in SE coordinates

Units
km
UnitsConversion
1e3>m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SE
Support
Qualifier
Component.K
SupportQuantity
Positional
Parameter #5
Name
R
ParameterKey
Column 5
Description

Spacecraft radial distance from Sun in AU.

Units
AU
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
Qualifier
Magnitude
SupportQuantity
Positional
Parameter #6
Name
Azimuth
ParameterKey
Column 6
Description

HGI spacecraft position azimuth, degrees.

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
Qualifier
DirectionAngle.AzimuthAngle
SupportQuantity
Positional
Parameter #7
Name
Elevation
ParameterKey
Column 7
Description

HGI Spacecraft position elevation, degrees.

Units
deg
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
Qualifier
DirectionAngle.ElevationAngle
SupportQuantity
Positional