Orbit and dynamics
Between its closest point (0.944 AU) and its farthest (1.87 AU), the heliocentric distance changes by 0.926 AU over every revolution.
One full revolution takes 1.67 yr (610 days), computed from the semi-major axis of 1.407 AU.
An eccentricity of 0.329 makes the orbit moderately elongated.
Its inclination of 0.53° keeps it close to the plane of the ecliptic.
By the vis-viva equation its orbital speed rises to 35.3 km/s at perihelion and falls to 17.8 km/s at aphelion.
Because q < 1 AU and Q > 1 AU, this orbit geometrically intersects the region of Earth's orbit.
Size and surface
No direct size measurement is available; from an absolute magnitude of H = 24.6 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.04 km.
Observation record and orbit quality
Astrometry from 144 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5375 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 |
|---|---|---|
| 2028-Dec-04 23:28 | 0.025541 AU 3820932 km |
5.26 km/s |
| 2034-Jan-15 19:00 | 0.029131 AU 4357883 km |
5.18 km/s |
| 2039-Jan-31 00:37 | 0.009350 AU 1398706 km |
6.07 km/s |
| 2043-Sep-24 19:40 | 0.442033 AU 66127242 km |
5.44 km/s |
| 2044-Feb-25 17:41 | 0.254567 AU 38082620 km |
13.85 km/s |
| 2065-Oct-16 10:49 | 0.474300 AU 70954202 km |
20.39 km/s |
| 2070-Oct-31 19:04 | 0.209682 AU 31368049 km |
12.48 km/s |
| 2071-Mar-27 10:11 | 0.413893 AU 61917514 km |
4.91 km/s |
| 2075-Dec-04 14:18 | 0.023062 AU 3449952 km |
5.32 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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