Orbits

Documentation related to orbital elements, orbit formats, and orbit/object classification.

Orbit Formats

• MPC_ORB JSON
• Orbital elements in the MPC internal ele220 format
• Export orbit formats (overview)
• Export orbit format for minor planets
• Export orbit format for comets
• Export orbit format for natural satellites

Orbit Metadata

• Indication of perturbing bodies
• Calculation of the orbital uncertainty parameter, U, and orbit quality codes
• Alphabetic notes for orbits
• List of orbit computers on the Daily Orbit Update MPECs

Orbit and Object Classification

• Orbit Type Definition
• Object Type Definition