Orbit and dynamics
Between its closest point (0.945 AU) and its farthest (1.342 AU), the heliocentric distance changes by 0.397 AU over every revolution.
One full revolution takes 1.22 yr (446 days), computed from the semi-major axis of 1.143 AU.
An eccentricity of 0.174 makes the orbit moderately elongated.
Its inclination of 2° keeps it close to the plane of the ecliptic.
By the vis-viva equation its orbital speed rises to 33.2 km/s at perihelion and falls to 23.4 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 = 23.64 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.07 km.
Observation record and orbit quality
Astrometry from 201 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4393 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 |
|---|---|---|
| 2029-Mar-30 14:00 | 0.272391 AU 40749132 km |
4.89 km/s |
| 2029-Oct-08 13:11 | 0.076724 AU 11477673 km |
6.75 km/s |
| 2034-May-18 08:38 | 0.298486 AU 44652876 km |
13.48 km/s |
| 2035-Jan-06 12:58 | 0.334815 AU 50087648 km |
6.49 km/s |
| 2040-Mar-13 23:37 | 0.313378 AU 46880708 km |
5.85 km/s |
| 2040-Oct-15 23:09 | 0.197169 AU 29496019 km |
10.50 km/s |
| 2045-May-24 22:17 | 0.167736 AU 25092969 km |
9.65 km/s |
| 2045-Dec-22 06:26 | 0.303908 AU 45463971 km |
5.85 km/s |
| 2051-Feb-28 00:59 | 0.340847 AU 50989990 km |
6.43 km/s |
| 2051-Oct-23 02:50 | 0.325809 AU 48740302 km |
14.34 km/s |
| 2056-Jun-02 02:32 | 0.049013 AU 7332174 km |
6.21 km/s |
| 2056-Dec-06 21:35 | 0.261649 AU 39142150 km |
4.99 km/s |
| 2062-Feb-24 06:32 | 0.343427 AU 51375996 km |
6.51 km/s |
| 2062-Oct-24 19:13 | 0.353691 AU 52911470 km |
15.17 km/s |
| 2067-May-30 08:18 | 0.091800 AU 13733142 km |
7.45 km/s |
| 2067-Dec-14 12:18 | 0.278480 AU 41659941 km |
5.36 km/s |
| 2073-Mar-05 08:48 | 0.328297 AU 49112462 km |
6.21 km/s |
| 2073-Oct-20 21:19 | 0.267407 AU 40003461 km |
12.59 km/s |
| 2078-May-23 05:16 | 0.207548 AU 31048758 km |
10.81 km/s |
| 2078-Dec-29 08:11 | 0.313462 AU 46893202 km |
6.10 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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