2015 CF
2015 CF belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.301 AU it takes 1.48 yr to circle the Sun.
Orbit and dynamics
The path is an ellipse reaching 1.003 AU from the Sun at perihelion and 1.599 AU at aphelion, a radial span of 0.596 AU.
Applying Kepler's third law to a = 1.301 AU gives an orbital period of 1.48 yr, or about 542 days.
An eccentricity of 0.229 makes the orbit moderately elongated.
The orbital plane is tilted 14.11° relative to the ecliptic.
By the vis-viva equation its orbital speed rises to 33 km/s at perihelion and falls to 20.7 km/s at aphelion.
Size and surface
No direct size measurement is available; from an absolute magnitude of H = 23.5 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.07 km.
Observation record and orbit quality
The current orbit solution is based on 101 observations and has a weighted RMS residual of 0.2724 arcseconds.
Condition code U = 7 signals a poorly constrained orbit, so its future path should be treated as provisional.
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.
