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Pioneer Venus Orbiter(PVO) Daily Trajectory Data

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

Description

This data set contains trajectory data from the Pioneer Venus Orbiter. It includes the radial distance of Venus from the sun, and solar ecliptic coordinates of Venus with respect to true equinox and ecliptic of date.

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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/PioneerVenusOrbiter/Ephemeris/P1D
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Pioneer Venus Orbiter(PVO) Daily Trajectory Data
ReleaseDate
2025-12-04 13:30:56Z
RevisionHistory
RevisionEvent
ReleaseDate
2021-03-11 18:39:11Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-08-05 13:12:21Z
Note
Added ObservedRegion(s). Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:30:56Z
Note
Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB
Description

This data set contains trajectory data from the Pioneer Venus Orbiter. It includes the radial distance of Venus from the sun, and solar ecliptic coordinates of Venus with respect to true equinox and ecliptic of date.

Acknowledgement
Please acknowledge the Principal Investigator and SPDF.
Contacts
RolePersonStartDateStopDateNote
1.MetadataContactspase://SMWG/Person/Adam.Szabo
2.ProjectScientistspase://SMWG/Person/Lawrence.Colin
3.GeneralContactspase://SMWG/Person/Tamara.J.Kovalick
InformationURL
Name
Readme file from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer_venus/traj/pvotrjdy_fmt.txt
PriorIDs
spase://VHO/NumericalData/Pioneer_Venus/Ephemeris/P1D
spase://VSPO/NumericalData/PioneerVenusOrbiter/Ephemeris/PT24H
spase://VSPO/NumericalData/PioneerVenusOrbiter/Ephemeris/P1D
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/VHO-VMO
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
VHO Repository
URL
https://vho.nasa.gov/mission/pvo/ephemeris/
Description

VHO holdings of PVO ephemeris

Format
Text
Encoding
ASCII
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/pioneer/pioneer_venus/traj/pvotrja.asc
Description

for daily data via ftp

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer_venus/traj/pvotrja.asc
Description

for daily data via http

Format
Text
InstrumentIDs
spase://SMWG/Instrument/PioneerVenusOrbiter/Ephemeris
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
1978-01-01 00:00:00Z
StopDate
1999-12-31 23:59:59Z
Cadence
P1D
ObservedRegion
Venus
Parameter #1
Name
Year
ParameterKey
Field 1
Description

Year

Support
SupportQuantity
Temporal
Parameter #2
Name
DOY
ParameterKey
Field 2
Description

Day of Year

Support
SupportQuantity
Temporal
Parameter #3
Name
Radial Distance
ParameterKey
Field 3
Description

Spacecraft Radial Distance in AU

Units
AU
UnitsConversion
1.49598e11>m
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
SupportQuantity
Positional
Parameter #4
Name
HGI Latitude of Spacecraft
ParameterKey
Field 4
Description

Spacecraft latitude in the HGI system (degrees)

Units
degrees
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
SupportQuantity
Positional
Parameter #5
Name
HGI Longitude of Spacecraft
ParameterKey
Field 5
Description

Spacecraft longitude in the HGI system (degrees)

Units
degrees
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
Support
SupportQuantity
Positional