SpaceAtlas Space Object Data
NASA JPL SBDB · 2014 CU13

2014 CU13

2014 CU13 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 2.156 AU it takes 3.17 yr to circle the Sun.

Apollo Observations: 458
Orbital Period · P
3.17 yr
v(q)
45.8 km/s
v(Q)
9 km/s
Diameter · ≈
0.15 km
TJ
3.36
Eccentricity · e
0.6715

Orbit and dynamics

The path is an ellipse reaching 0.708 AU from the Sun at perihelion and 3.604 AU at aphelion, a radial span of 2.896 AU.

Applying Kepler's third law to a = 2.156 AU gives an orbital period of 3.17 yr, or about 1,156 days.

The high eccentricity (0.671) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 5.92° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 45.8 km/s at perihelion and falls to 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 = 21.9 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.15 km.

Observation record and orbit quality

The current orbit solution is based on 458 observations and has a weighted RMS residual of 0.3787 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

Semi-Major Axis
2.156 AU
Eccentricity
0.6715
Perihelion
0.708 AU
Aphelion
3.603754 AU
Inclination
5.92°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
302.01°

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 distanceVelocity
2033-Feb-27 03:05 0.247989 AU
37098562 km
25.93 km/s
2036-Jun-29 03:21 0.283536 AU
42416442 km
14.75 km/s
2052-Feb-20 02:50 0.390837 AU
58468378 km
30.40 km/s
2055-Jun-03 18:49 0.322627 AU
48264321 km
16.61 km/s
2058-Sep-09 07:57 0.446952 AU
66863006 km
31.70 km/s
2074-May-02 12:05 0.284060 AU
42494777 km
15.22 km/s
2077-Sep-01 11:53 0.294347 AU
44033677 km
27.07 km/s

Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
21.9

Orbit Quality

RMS
0.37875
Condition
0
Orbit ID
—
Data source: NASA JPL Small-Body Database · NASA CNEOS. 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.

Keep exploring

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