SpaceAtlas Space Object Data
NASA JPL SBDB · 2022 MJ3

2022 MJ3

2022 MJ3 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.734 AU it takes 2.28 yr to circle the Sun.

Apollo Observations: 28
Orbital Period · P
2.28 yr
v(q)
36.5 km/s
v(Q)
14 km/s
Diameter · ≈
0 km
TJ
4.03
Eccentricity · e
0.4447

Orbit and dynamics

Between its closest point (0.963 AU) and its farthest (2.505 AU), the heliocentric distance changes by 1.542 AU over every revolution.

One full revolution takes 2.28 yr (834 days), computed from the semi-major axis of 1.734 AU.

The high eccentricity (0.445) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

Its inclination of 3.77° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 36.5 km/s at perihelion and falls to 14 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 = 29.56 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0 km.

Observation record and orbit quality

Astrometry from 28 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4419 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
1.734 AU
Eccentricity
0.4447
Perihelion
0.963 AU
Aphelion
2.50511 AU
Inclination
3.77°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
248.86°

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
2038-Jun-15 22:55 0.036318 AU
5433084 km
11.85 km/s
2047-Oct-11 02:05 0.311048 AU
46532085 km
19.93 km/s
2054-Jun-02 05:35 0.230691 AU
34510842 km
17.83 km/s
2063-Sep-28 23:01 0.120632 AU
18046240 km
13.79 km/s
2079-Sep-10 10:44 0.060180 AU
9002866 km
8.71 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
29.56

Orbit Quality

RMS
0.44188
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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