SpaceAtlas Space Object Data
NASA JPL SBDB · 2026 CM

2026 CM

2026 CM is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.107 AU once every 1.16 yr.

Amor Observations: 87
Orbital Period · P
1.16 yr
v(q)
28.8 km/s
v(Q)
27.8 km/s
Diameter · ≈
0.1 km
TJ
5.52
Eccentricity · e
0.0171

Orbit and dynamics

The path is an ellipse reaching 1.089 AU from the Sun at perihelion and 1.126 AU at aphelion, a radial span of 0.037 AU.

Applying Kepler's third law to a = 1.107 AU gives an orbital period of 1.16 yr, or about 425 days.

With e = 0.017, the orbit is close to circular.

A steep inclination of 27.87° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 28.8 km/s at perihelion and falls to 27.8 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 = 22.79 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.1 km.

Observation record and orbit quality

The current orbit solution is based on 87 observations and has a weighted RMS residual of 0.589 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

Semi-Major Axis
1.107 AU
Eccentricity
0.0171
Perihelion
1.089 AU
Aphelion
1.12593 AU
Inclination
27.87°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
239.18°

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-10 10:23 0.139236 AU
20829403 km
14.21 km/s
2040-Feb-11 23:00 0.148444 AU
22206867 km
14.33 km/s
2047-Feb-12 12:36 0.163637 AU
24479785 km
14.51 km/s
2075-Aug-15 01:27 0.107378 AU
16063458 km
14.61 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
22.79

Orbit Quality

RMS
0.58897
Condition
7
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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