Orbit and dynamics
Between its closest point (1.023 AU) and its farthest (2.101 AU), the heliocentric distance changes by 1.078 AU over every revolution.
One full revolution takes 1.95 yr (713 days), computed from the semi-major axis of 1.562 AU.
An eccentricity of 0.345 makes the orbit moderately elongated.
The orbital plane is tilted 17.28° relative to the ecliptic.
By the vis-viva equation its orbital speed rises to 34.2 km/s at perihelion and falls to 16.6 km/s at aphelion.
Its perihelion lies just outside Earth's orbit, which is why it is classed as Earth-approaching rather than Earth-crossing.
Size and surface
The measured diameter is 0.41 km, a value from direct size determination rather than from brightness alone.
A geometric albedo of 0.117 points to a comparatively bright, reflective surface.
Observation record and orbit quality
Astrometry from 382 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4398 arcseconds.
Condition code U = 0 means the orbit is very well determined, leaving only a small uncertainty in the future ephemeris.
About these computed values
Orbital periods, perihelion and aphelion speeds, and diameter estimates on this page are computed by SpaceAtlas from the JPL SBDB orbital elements. They are derived quantities, not values copied from the source catalogue.
Orbital Parameters
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.
3D orbit (interactive)
Drag to rotate; scroll or pinch to zoom. The Sun is at the focus (orange), Earth's orbit is the grey ring at 1 AU, and the red dot marks the object's current position.
Close approaches
Predicted close approaches to Earth, from NASA's Center for Near-Earth Object Studies (CNEOS).
| Date (UTC) | Miss distance | Velocity |
|---|---|---|
| 2053-Dec-06 09:41 | 0.485570 AU 72640239 km |
7.99 km/s |
| 2054-Apr-18 07:48 | 0.316795 AU 47391931 km |
16.63 km/s |
| 2056-Apr-05 04:31 | 0.097823 AU 14634080 km |
10.64 km/s |
| 2058-Mar-28 18:17 | 0.332695 AU 49770404 km |
9.76 km/s |
Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.
Physical Parameters
Orbit Quality
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