SpaceAtlas Space Object Data
NASA JPL SBDB · 2022 UG3

2022 UG3

2022 UG3 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.645 AU it takes 2.11 yr to circle the Sun.

Apollo Observations: 48
Orbital Period · P
2.11 yr
v(q)
44 km/s
v(Q)
12.3 km/s
Diameter · ≈
0 km
TJ
4.09
Eccentricity · e
0.5637

Orbit and dynamics

The path is an ellipse reaching 0.718 AU from the Sun at perihelion and 2.572 AU at aphelion, a radial span of 1.854 AU.

Applying Kepler's third law to a = 1.645 AU gives an orbital period of 2.11 yr, or about 771 days.

The high eccentricity (0.564) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

Its inclination of 2.13° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 44 km/s at perihelion and falls to 12.3 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 = 29.32 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0 km.

Observation record and orbit quality

The current orbit solution is based on 48 observations and has a weighted RMS residual of 0.4128 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
1.645 AU
Eccentricity
0.5637
Perihelion
0.718 AU
Aphelion
2.572286 AU
Inclination
2.13°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
239.14°

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-Apr-10 17:36 0.397196 AU
59419666 km
27.55 km/s
2041-Oct-13 00:51 0.000136 AU
20279 km
16.79 km/s
2046-Apr-06 11:17 0.282040 AU
42192551 km
25.04 km/s
2060-Oct-03 01:44 0.160204 AU
23966196 km
21.92 km/s
2065-Mar-28 06:36 0.058747 AU
8788360 km
19.83 km/s
2079-Sep-27 18:14 0.212759 AU
31828328 km
25.56 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
29.32

Orbit Quality

RMS
0.41282
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.

Keep exploring

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