SpaceAtlasSpace Object Data

Didymos

Explore asteroids, comets and near-Earth objects with JPL orbital data.

Apollo PHA Discovered: 2022-09-27 Observations: 1,869

Orbital Parameters

Semi-Major Axis
1.643 AU
Eccentricity
0.3831
Perihelion
1.013 AU
Aphelion
2.272433 AU
Inclination
3.41°
Orbital Period
2.1054 yr
Epoch
2461200.5
Mean Anomaly
260.86°

Orbit diagram

The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.

Physical Parameters

Diameter
0.78 km
Albedo
—
Density
2.17 g/cm³
Rotation Period
2.2593 h
Absolute Magnitude
18.11

Orbit Quality

RMS
0.3292
Condition
0
Orbit ID
—