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/Comet/HaleBopp/HelioWeb/Ephemeris/PT1H
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Comet Hale-Bopp Ephemeris, Heliocentric Trajectories, Heliographic, Heliographic Inertial, and Solar Ecliptic Coordinates, HelioWeb, Hourly Data
ReleaseDate
2026-02-02 13:24:33Z
Description
Comet HaleBopp Heliocentric orbit in Heliographic Inertial, Heliographic rotating, and Solar Ecliptic coordinates at a 1 hourly cadence. For coordinate definitions see https://omniweb.gsfc.nasa.gov/coho/helios/coor_des.html.
Acknowledgement
Please acknowledge N.E. Papitashvili for use of the Data
Contacts
InformationURL
Name
Heliocentric Trajectories HelioWeb Data Service, NASA GSFC
URL
Description
Heliocentric trajectories for selected spacecraft, planets, and comets, HelioWeb data service, hosted by NASA GSFC
InformationURL
Name
Heliocentric Trajectories HelioWeb Data Service Usage Instructions, NASA GSFC
URL
Description
Instructions for using the Heliocentric Trajectories HelioWeb data service, hosted by NASA GSFC
InformationURL
Name
Heliocentric Trajectories HelioWeb Data Service Usage via CURL or WGET Commands, NASA GSFC
URL
Description
Instructions for using the Heliocentric Trajectories HelioWeb data service via CURL or WGET commands, hosted by NASA GSFC
InformationURL
Name
HG, HGI, and SE Coordinate System Definitions, NASA GSFC
URL
Description
Definitions for the Heliographic, HG, Heliographic Inertial, HGI, and Solar Ecliptic, SE, Coordinate Systems, hosted by NASA GSFC
InformationURL
Name
Satellite Situation Center (SSCWeb) System and Services, NASA GSFC
URL
Description
Satellite Situation Center (SSCWeb) web page offering a variety of services that provide access to orbit trajectory graphics and listings, hosted by NASA GSFC
InformationURL
Name
HORIZONS Web Interface, NASA JPL
URL
Description
HORIZONS Web Interface, a web page that provides limited access to the JPL HORIZONS system which can be used to generate ephemerides for solar system bodies
Association
AssociationID
AssociationType
Supersedes
Note
The current resource description has replaced the SPASE record listed above.
PriorIDs
spase://VSPO/NumericalData/Comet/HaleBopp/HelioWeb/Ephemeris/P1D
AccessInformation
RepositoryID
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
Description
Access to Data in CDF Format via ftp from SPDF
AccessURL
Name
HTTPS from SPDF
URL
Description
Access to Data in CDF Format via http from SPDF
AccessURL
Name
CDAWeb
URL
ProductKey
HALEBOPP_HELIO1HR_POSITION
Description
Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
Acknowledgement
Please acknowledge N.E. Papitashvili. Please acknowledge the Data Providers and CDAWeb when using these Data.
AccessInformation
RepositoryID
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
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
HALEBOPP_HELIO1HR_POSITION
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Please acknowledge N.E. Papitashvili. Please acknowledge the Data Providers and CDAWeb when using these Data.
ProcessingLevel
Calibrated
MeasurementType
Ephemeris
TemporalDescription
TimeSpan
StartDate
1996-01-01 00:00:00.000
StopDate
2018-12-31 00:00:00.000
Cadence
PT1H
ObservedRegion
Comet
Parameter #1
Name
Epoch Time
ParameterKey
Epoch
Description
Epoch Time, beginning of interval
Caveats
This Parameter exhibits an increasing Monotonic Progression
Cadence
PT1H
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
AxisLabel
Epoch
ValueFormat
E14.8
ScaleMin
6.2987652219904e+13
ScaleMax
6.3745034619904e+13
ScaleType
LinearScale
ValidMin
01-Jan-1996 00:00:00.000
ValidMax
01-Jan-2020 00:00:00.000
FillValue
31-Dec-9999 23:59:59.999
Support
Parameter #2
Name
Comet Hale-Bopp Position, Heliocentric Radial Distance
Set
Time Series defined by using: EPOCH
ParameterKey
RAD_AU
Description
Comet Hale-Bopp Position, Heliocentric Radial Distance
Cadence
PT1H
Units
AU
UnitsConversion
1.495978706961e11>m
RenderingHints
DisplayType
TimeSeries
AxisLabel
RAD_AU
ValueFormat
F8.2
ValidMin
0.0
ValidMax
1000.0
FillValue
-1.0e+31
Support
Parameter #3
Name
Comet Hale-Bopp Position, Latitude, Solar Ecliptic Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
SE_LAT
Description
Comet Hale-Bopp Position, Latitude, Solar Ecliptic, SE, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SE
RenderingHints
DisplayType
TimeSeries
AxisLabel
SE_LAT
ValueFormat
F8.1
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.ElevationAngle
Qualifier
Scalar
SupportQuantity
Positional
Parameter #4
Name
Comet Hale-Bopp Position, Longitude, Solar Ecliptic Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
SE_LON
Description
Comet Hale-Bopp Position, Longitude, Solar Ecliptic, SE, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SE
RenderingHints
DisplayType
TimeSeries
AxisLabel
SE_LON
ValueFormat
F8.1
ValidMin
0.0
ValidMax
360.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
Qualifier
Scalar
SupportQuantity
Positional
Parameter #5
Name
Comet Hale-Bopp Position, Latitude, Heliographic Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
HG_LAT
Description
Comet Hale-Bopp Position, Latitude, Heliographic, HG, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HG
RenderingHints
DisplayType
TimeSeries
AxisLabel
HG_LAT
ValueFormat
F8.1
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.ElevationAngle
Qualifier
Scalar
SupportQuantity
Positional
Parameter #6
Name
Comet Hale-Bopp Position, Longitude, Heliographic Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
HG_LON
Description
Comet Hale-Bopp Position, Longitude, Heliographic, HG, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HG
RenderingHints
DisplayType
TimeSeries
AxisLabel
HG_LON
ValueFormat
F8.1
ValidMin
0.0
ValidMax
360.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
Qualifier
Scalar
SupportQuantity
Positional
Parameter #7
Name
Comet Hale-Bopp Position, Latitude, Heliographic Inertial Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
HGI_LAT
Description
Comet Hale-Bopp Position, Latitude, Heliographic Inertial, HGI, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
RenderingHints
DisplayType
TimeSeries
AxisLabel
HGI_LAT
ValueFormat
F8.1
ValidMin
-90.0
ValidMax
90.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.ElevationAngle
Qualifier
Scalar
SupportQuantity
Positional
Parameter #8
Name
Comet Hale-Bopp Position, Longitude, Heliographic Inertial Coordinates
Set
Time Series defined by using: EPOCH
ParameterKey
HGI_LON
Description
Comet Hale-Bopp Position, Longitude, Heliographic Inertial, HGI, Spherical Coordinates
Cadence
PT1H
Units
°
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
HGI
RenderingHints
DisplayType
TimeSeries
AxisLabel
HGI_LON
ValueFormat
F8.1
ValidMin
0.0
ValidMax
360.0
FillValue
-1.0e+31
Support
Qualifier
DirectionAngle.AzimuthAngle
Qualifier
Scalar
SupportQuantity
Positional