Orbit and dynamics
The path is an ellipse reaching 0.282 AU from the Sun at perihelion and 3.379 AU at aphelion, a radial span of 3.097 AU.
Applying Kepler's third law to a = 1.831 AU gives an orbital period of 2.48 yr, or about 905 days.
The high eccentricity (0.846) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.
A steep inclination of 24.15° carries it well above and below the ecliptic plane.
By the vis-viva equation its orbital speed rises to 76.2 km/s at perihelion and falls to 6.4 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
The measured diameter is 0.45 km, a value from direct size determination rather than from brightness alone.
A geometric albedo of 0.378 points to a comparatively bright, reflective surface.
Observation record and orbit quality
The current orbit solution is based on 224 observations and has a weighted RMS residual of 0.5276 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
No close approaches to Earth are currently on record for this object.
Physical Parameters
Orbit Quality
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