Orbit and dynamics
The path is an ellipse reaching 0.934 AU from the Sun at perihelion and 1.815 AU at aphelion, a radial span of 0.881 AU.
Applying Kepler's third law to a = 1.374 AU gives an orbital period of 1.61 yr, or about 588 days.
An eccentricity of 0.321 makes the orbit moderately elongated.
A steep inclination of 24° carries it well above and below the ecliptic plane.
By the vis-viva equation its orbital speed rises to 35.4 km/s at perihelion and falls to 18.2 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 = 19.25 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.5 km.
Observation record and orbit quality
The current orbit solution is based on 447 observations and has a weighted RMS residual of 0.404 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 |
|---|---|---|
| 2055-Feb-13 05:34 | 0.176663 AU 26428370 km |
13.08 km/s |
| 2076-Feb-04 03:37 | 0.187258 AU 28013403 km |
17.91 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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