Orbital parameters and uncertainties (gaiadr3.sso_orbits)
The table has 154741 rows, 15 columns.
Description
Orbital parameters and uncertainties computed from the sso_observation astrometric data. The content of the table is described in the DR3 publication DR3-DPACP-150.
Attribution
If you have used Gaia data in your research, please use the following acknowledgement:
This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.
More information can be found on the credit and citation instructions page.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| number_mp | integer |
meta.id meta.main |
SSO Number |
|
| denomination | char | meta.id |
Solar system object name |
|
| osc_epoch | double | time.epoch | d |
Reference epoch for osculating orbit |
| mean_anomaly | double | src.orbital.meanAnomaly | rad |
Mean anomaly |
| arg_perihelion | double | src.orbital.periastron | rad |
Argument of perihelion |
| long_asc_node | double | src.orbital.node | rad |
Longitude of ascending node |
| inclination | double | src.orbital.inclination | rad |
Inclination |
| eccentricity | double | src.orbital.eccentricity |
Eccentricity |
|
| semi_major_axis | double |
pos.distance src.orbital |
AU |
Semimajor axis |
| orbital_elements_var_covar_matrix | double[] | stat.covariance |
var-covar matrix on elliptical elements at reference Epoch |
|
| std_dev_semi_major_axis | double | stat.stdev | AU |
Standard deviation on Semimajor axis |
| h_state_vector | double[] | pos | ?AUAndAUPerDay? |
Heliocentric State Vector at reference Epoch |
| h_state_vector_var_covar_matrix | double[] | stat.covariance |
Covariance matrix of the State Vector |
|
| arc_length | double | time.interval | d |
Orbital arc length spanned by the observations |
| num_observations | integer | meta.number |
Number of observations |