SpaceAtlas Space Object Data
NASA JPL SBDB · 2025 CL3

2025 CL3

2025 CL3 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.134 AU it takes 1.21 yr to circle the Sun.

Apollo Observations: 39
Orbital Period · P
1.21 yr
v(q)
42.9 km/s
v(Q)
18.2 km/s
Diameter · ≈
0.03 km
TJ
5.44
Eccentricity · e
0.4028

Orbit and dynamics

Between its closest point (0.677 AU) and its farthest (1.591 AU), the heliocentric distance changes by 0.914 AU over every revolution.

One full revolution takes 1.21 yr (441 days), computed from the semi-major axis of 1.134 AU.

The high eccentricity (0.403) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

Its inclination of 4.82° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 42.9 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 = 25.38 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.03 km.

Observation record and orbit quality

Astrometry from 39 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4318 arcseconds.

Condition code U = 2 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
1.134 AU
Eccentricity
0.4028
Perihelion
0.677 AU
Aphelion
1.590775 AU
Inclination
4.82°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
343.0°

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
2048-Feb-13 00:13 0.029287 AU
4381325 km
13.51 km/s
2049-Aug-30 23:15 0.002815 AU
421093 km
12.83 km/s
2054-Feb-02 20:51 0.157119 AU
23504689 km
18.30 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
25.38

Orbit Quality

RMS
0.43178
Condition
2
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.

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