Orbit and dynamics
Between its closest point (0.506 AU) and its farthest (1.654 AU), the heliocentric distance changes by 1.148 AU over every revolution.
One full revolution takes 1.12 yr (410 days), computed from the semi-major axis of 1.08 AU.
The high eccentricity (0.531) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.
A steep inclination of 25.45° carries it well above and below the ecliptic plane.
By the vis-viva equation its orbital speed rises to 51.8 km/s at perihelion and falls to 15.9 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 = 20.96 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.23 km.
Observation record and orbit quality
Astrometry from 82 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5369 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-Sep-06 01:57 | 0.388419 AU 58106614 km |
26.80 km/s |
| 2029-Sep-03 11:04 | 0.404718 AU 60544984 km |
15.37 km/s |
| 2031-Feb-13 02:22 | 0.460204 AU 68845509 km |
26.13 km/s |
| 2032-May-02 02:38 | 0.427521 AU 63956169 km |
20.32 km/s |
| 2037-Sep-03 02:56 | 0.457906 AU 68501779 km |
29.31 km/s |
| 2038-Sep-07 12:33 | 0.358275 AU 53597151 km |
15.40 km/s |
| 2040-Feb-05 03:04 | 0.472650 AU 70707429 km |
26.61 km/s |
| 2041-Apr-22 10:18 | 0.415306 AU 62128910 km |
19.57 km/s |
| 2047-Sep-11 04:04 | 0.312711 AU 46780850 km |
15.70 km/s |
| 2049-Jan-27 09:12 | 0.484950 AU 72547471 km |
26.83 km/s |
| 2050-Apr-12 07:11 | 0.411812 AU 61606185 km |
19.83 km/s |
| 2056-Sep-12 18:20 | 0.274480 AU 41061649 km |
16.36 km/s |
| 2058-Jan-19 22:27 | 0.496236 AU 74235790 km |
26.74 km/s |
| 2059-Apr-02 15:51 | 0.412974 AU 61779971 km |
20.66 km/s |
| 2065-Sep-14 06:10 | 0.247202 AU 36980844 km |
17.51 km/s |
| 2068-Mar-23 06:40 | 0.417714 AU 62489106 km |
21.79 km/s |
| 2074-Sep-14 09:26 | 0.241462 AU 36122239 km |
19.12 km/s |
| 2077-Mar-14 16:10 | 0.424135 AU 63449661 km |
22.91 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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