Orbit and dynamics
Between its closest point (0.624 AU) and its farthest (1.333 AU), the heliocentric distance changes by 0.709 AU over every revolution.
One full revolution takes 0.97 yr (353 days), computed from the semi-major axis of 0.978 AU.
An eccentricity of 0.362 makes the orbit moderately elongated.
The orbital plane is tilted 18.59° relative to the ecliptic.
By the vis-viva equation its orbital speed rises to 44 km/s at perihelion and falls to 20.6 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 = 22.03 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.14 km.
Observation record and orbit quality
Astrometry from 68 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4403 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 |
|---|---|---|
| 2038-Dec-19 23:35 | 0.341032 AU 51017707 km |
21.85 km/s |
| 2039-Dec-07 01:29 | 0.210279 AU 31457365 km |
16.82 km/s |
| 2040-Nov-17 07:19 | 0.211779 AU 31681686 km |
13.84 km/s |
| 2041-Oct-22 08:06 | 0.308344 AU 46127646 km |
14.30 km/s |
| 2042-Sep-26 02:01 | 0.394571 AU 59026912 km |
15.62 km/s |
| 2043-Feb-19 04:50 | 0.484967 AU 72550019 km |
9.96 km/s |
| 2043-Aug-31 15:56 | 0.447143 AU 66891673 km |
15.71 km/s |
| 2044-Mar-16 14:04 | 0.447288 AU 66913366 km |
10.66 km/s |
| 2044-Aug-03 20:50 | 0.457173 AU 68392119 km |
13.89 km/s |
| 2045-Apr-10 17:20 | 0.348001 AU 52060173 km |
10.55 km/s |
| 2045-Jun-26 04:03 | 0.401052 AU 59996531 km |
9.54 km/s |
| 2046-Apr-30 10:05 | 0.183429 AU 27440541 km |
11.05 km/s |
| 2047-Apr-29 17:51 | 0.011562 AU 1729587 km |
14.73 km/s |
| 2048-Apr-21 19:35 | 0.221424 AU 33124575 km |
20.19 km/s |
| 2049-Apr-13 13:39 | 0.429392 AU 64236102 km |
26.19 km/s |
| 2066-Dec-20 01:38 | 0.334295 AU 50009798 km |
21.60 km/s |
| 2067-Dec-06 01:15 | 0.204746 AU 30629533 km |
16.39 km/s |
| 2068-Nov-13 23:34 | 0.226176 AU 33835505 km |
13.74 km/s |
| 2069-Oct-17 05:26 | 0.329026 AU 49221645 km |
14.67 km/s |
| 2070-Jan-19 07:42 | 0.463135 AU 69283939 km |
8.24 km/s |
| 2070-Sep-20 00:24 | 0.411805 AU 61605117 km |
15.90 km/s |
| 2071-Feb-27 15:31 | 0.478724 AU 71616058 km |
10.31 km/s |
| 2071-Aug-24 07:46 | 0.455668 AU 68166911 km |
15.46 km/s |
| 2072-Mar-25 07:30 | 0.417899 AU 62516788 km |
10.72 km/s |
| 2072-Jul-24 03:59 | 0.448054 AU 67027879 km |
12.72 km/s |
| 2073-Apr-21 03:07 | 0.284659 AU 42584334 km |
10.45 km/s |
| 2074-May-01 11:38 | 0.088738 AU 13275033 km |
12.57 km/s |
| 2075-Apr-26 11:48 | 0.118501 AU 17727472 km |
17.42 km/s |
| 2076-Apr-17 19:03 | 0.326245 AU 48805483 km |
23.17 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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