SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 OB7

2020 OB7

2020 OB7 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.275 AU once every 1.44 yr.

Amor Observations: 14
Orbital Period · P
1.44 yr
v(q)
29.8 km/s
v(Q)
23.4 km/s
Diameter · ≈
0.02 km
TJ
5.06
Eccentricity · e
0.121

Orbit and dynamics

The path is an ellipse reaching 1.121 AU from the Sun at perihelion and 1.429 AU at aphelion, a radial span of 0.308 AU.

Applying Kepler's third law to a = 1.275 AU gives an orbital period of 1.44 yr, or about 526 days.

An eccentricity of 0.121 makes the orbit moderately elongated.

Its inclination of 1.32° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 29.8 km/s at perihelion and falls to 23.4 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 = 26 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.02 km.

Observation record and orbit quality

The current orbit solution is based on 14 observations and has a weighted RMS residual of 0.4896 arcseconds.

Condition code U = 8 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
1.275 AU
Eccentricity
0.121
Perihelion
1.121 AU
Aphelion
1.429275 AU
Inclination
1.32°
Orbital Period
— yr
Epoch
2459067.5
Mean Anomaly
14.37°

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.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
26.0

Orbit Quality

RMS
0.48959
Condition
8
Orbit ID
—
Data source: NASA JPL Small-Body Database . 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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