Orbit and dynamics
Between its closest point (0.806 AU) and its farthest (1.154 AU), the heliocentric distance changes by 0.348 AU over every revolution.
One full revolution takes 0.97 yr (354 days), computed from the semi-major axis of 0.98 AU.
An eccentricity of 0.177 makes the orbit moderately elongated.
The orbital plane is tilted 13.73° relative to the ecliptic.
By the vis-viva equation its orbital speed rises to 36 km/s at perihelion and falls to 25.1 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 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.09 km.
Observation record and orbit quality
Astrometry from 146 individual observations underpins this orbit; the fit leaves an RMS residual of 0.432 arcseconds.
Condition code U = 2 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 |
|---|---|---|
| 2043-Sep-19 13:31 | 0.341934 AU 51152530 km |
16.93 km/s |
| 2044-Sep-07 07:06 | 0.173359 AU 25934139 km |
12.20 km/s |
| 2045-Aug-21 16:40 | 0.092670 AU 13863300 km |
8.84 km/s |
| 2046-Jul-21 13:13 | 0.200745 AU 30030968 km |
8.20 km/s |
| 2047-Jun-07 08:43 | 0.286243 AU 42821360 km |
7.60 km/s |
| 2048-Jan-23 21:43 | 0.214384 AU 32071319 km |
7.25 km/s |
| 2049-Feb-09 00:32 | 0.039005 AU 5835040 km |
8.41 km/s |
| 2050-Feb-05 13:14 | 0.141645 AU 21189856 km |
12.22 km/s |
| 2051-Jan-30 11:53 | 0.322045 AU 48177235 km |
17.09 km/s |
| 2076-Sep-19 03:11 | 0.352407 AU 52719317 km |
17.24 km/s |
| 2077-Sep-08 14:28 | 0.188647 AU 28221116 km |
12.64 km/s |
| 2078-Aug-24 18:21 | 0.088021 AU 13167800 km |
9.15 km/s |
| 2079-Jul-28 17:12 | 0.178857 AU 26756612 km |
8.15 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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