Orbital parameters and uncertainties (gaiadr3.sso_orbits)

The table has 154741 rows, 15 columns.


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.


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.

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Name Type UCD Unit Description
number_mp integer meta.id

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


eccentricity double src.orbital.eccentricity


semi_major_axis double pos.distance

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