SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 GE

2020 GE

2020 GE is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.987 AU and a period of 0.98 yr.

Aten Observations: 58
Orbital Period · P
0.98 yr
v(q)
31.5 km/s
v(Q)
28.5 km/s
Diameter · ≈
0.01 km
TJ
6.14
Eccentricity · e
0.0495

Orbit and dynamics

The path is an ellipse reaching 0.938 AU from the Sun at perihelion and 1.036 AU at aphelion, a radial span of 0.098 AU.

Applying Kepler's third law to a = 0.987 AU gives an orbital period of 0.98 yr, or about 358 days.

With e = 0.05, the orbit is close to circular.

Its inclination of 1.67° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 31.5 km/s at perihelion and falls to 28.5 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 = 28.17 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.01 km.

Observation record and orbit quality

The current orbit solution is based on 58 observations and has a weighted RMS residual of 0.4674 arcseconds.

Condition code U = 1 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
0.9873 AU
Eccentricity
0.0495
Perihelion
0.938 AU
Aphelion
1.036171 AU
Inclination
1.67°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
23.92°

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
2027-Feb-15 18:20 0.081518 AU
12194991 km
4.37 km/s
2067-Sep-21 22:40 0.122679 AU
18352475 km
5.57 km/s
2068-Sep-17 11:45 0.004831 AU
722732 km
2.16 km/s
2069-Mar-25 12:28 0.091455 AU
13681467 km
2.37 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
28.17

Orbit Quality

RMS
0.4674
Condition
1
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

Explore asteroids, comets and near-Earth objects with JPL orbital data.