Orbit and dynamics
The path is an ellipse reaching 1.178 AU from the Sun at perihelion and 1.94 AU at aphelion, a radial span of 0.762 AU.
Applying Kepler's third law to a = 1.559 AU gives an orbital period of 1.95 yr, or about 711 days.
An eccentricity of 0.245 makes the orbit moderately elongated.
The orbital plane is tilted 19.54° relative to the ecliptic.
By the vis-viva equation its orbital speed rises to 30.6 km/s at perihelion and falls to 18.6 km/s at aphelion.
Its perihelion lies just outside Earth's orbit, which is why it is classed as Earth-approaching rather than Earth-crossing.
Size and surface
No direct size measurement is available; from an absolute magnitude of H = 20.64 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.26 km.
Observation record and orbit quality
The current orbit solution is based on 161 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
Related Objects
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