SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 XM7

2020 XM7

2020 XM7 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.715 AU once every 2.25 yr.

Amor Observations: 13
Orbital Period · P
2.25 yr
v(q)
32 km/s
v(Q)
16.2 km/s
Diameter · ≈
0.11 km
TJ
4.11
Eccentricity · e
0.3282

Orbit and dynamics

The path is an ellipse reaching 1.152 AU from the Sun at perihelion and 2.278 AU at aphelion, a radial span of 1.126 AU.

Applying Kepler's third law to a = 1.715 AU gives an orbital period of 2.25 yr, or about 820 days.

An eccentricity of 0.328 makes the orbit moderately elongated.

The orbital plane is tilted 9.1° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 32 km/s at perihelion and falls to 16.2 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 = 22.6 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.11 km.

Observation record and orbit quality

The current orbit solution is based on 13 observations and has a weighted RMS residual of 0.4851 arcseconds.

Condition code U = 6 indicates a moderately constrained orbit; predictions decades ahead still carry noticeable uncertainty.

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
1.715 AU
Eccentricity
0.3282
Perihelion
1.152 AU
Aphelion
2.277863 AU
Inclination
9.1°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
195.15°

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
2029-Nov-27 00:47 0.451852 AU
67596061 km
2.05 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
22.6

Orbit Quality

RMS
0.48514
Condition
6
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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