Definitive orbit data
Version:2.2.9
Definitive orbit data
| Role | Person | |
|---|---|---|
| 1. | PrincipalInvestigator | spase://SMWG/Person/David.J.McComas |
| 2. | MetadataContact | spase://SMWG/Person/Jan.Merka |
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NASA/GSFC CDAWeb ftp access to the data.
In CDF via HTTP from CDAWeb
TWINS 1 spacecraft ephemeris data with subset, plot, list functionalities
from CDAWeb
Epoch
Start Time MJD - time key of data point
The spacecraft location in ECI coordinates (cartesian XYZ components).
The spacecraft location in geographic coordinates (cartesian XYZ components).
The spacecraft location in GSM coordinates (cartesian XYZ components).
Spacecraft Eccentric Dipole Cartesian Coordinate XYZ
Spacecraft longitude (east longitude) in geographic coordinates.
Spacecraft latitude in geographic coordinates.
Spacecraft radial distance (km) from the center of the Earth.
Spacecraft radial altitude (km) based on an oblate spheroid Earth model (WGS84).
The location of the Sun in ECI coordinates (cartesian XYZ components).
The magnetic field vector in ECI coordinates (cartesian XYZ components).
The magnetic field magnitude at the spacecraft mirror point based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The magnetic field magnitude at the field-line minimum point based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The magnetic field magnitude at the North 100 km point based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The magnetic field magnitude at the South 100 km point based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The spacecraft mirror point location in GSM coordinates (cartesian XYZ components) based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The Equatorial Point location in GSM coordinates (cartesian XYZ components) based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The location of the North 100 km point in GSM coordinates (cartesian XYZ components) based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The location of the South 100 km point in GSM coordinates (cartesian XYZ components) based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
The dimensionless McIlwain L-Shell Parameter based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Spacecraft invariant magnetic latitude based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Dipole magnetic radial distance based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Dipole magnetic latitude based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Spacecraft latitude in the eccentric dipole frame based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Magnetic local time in the geographic coordinates frame.
Magnetic local time in the eccentric dipole (ECD) frame based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Equatorial mapped magnetic local time in the eccentric dipole (ECD) frame based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Solar zenith angle cosine.
Particle loss cone angle based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Magnetic dipole tilt angle based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
Magnetic dipole displacement (XYZ components) based on the International Geomagnetic Reference Field (IGRF) 2005.0 adjusted for the relevant date by means of the IGRF secular variation coefficients.
TWINS DataFile ID