SpaceAtlas Space Object Data
NASA JPL SBDB · 2022 MA

2022 MA

2022 MA is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.916 AU and a period of 0.88 yr.

Aten Observations: 42
Orbital Period · P
0.88 yr
v(q)
35.5 km/s
v(Q)
27.3 km/s
Diameter · ≈
0.02 km
TJ
6.51
Eccentricity · e
0.1306

Orbit and dynamics

The path is an ellipse reaching 0.796 AU from the Sun at perihelion and 1.036 AU at aphelion, a radial span of 0.24 AU.

Applying Kepler's third law to a = 0.916 AU gives an orbital period of 0.88 yr, or about 320 days.

An eccentricity of 0.131 makes the orbit moderately elongated.

The orbital plane is tilted 7.63° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 35.5 km/s at perihelion and falls to 27.3 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 = 26.33 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 42 observations and has a weighted RMS residual of 0.5588 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
0.9159 AU
Eccentricity
0.1306
Perihelion
0.796 AU
Aphelion
1.035517 AU
Inclination
7.63°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
342.8°

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-Jun-08 21:53 0.075740 AU
11330540 km
5.97 km/s
2029-Nov-16 06:27 0.161924 AU
24223459 km
5.61 km/s
2036-Jun-09 00:06 0.196646 AU
29417851 km
9.21 km/s
2036-Dec-14 01:40 0.176299 AU
26373930 km
6.46 km/s
2037-Aug-04 02:49 0.445025 AU
66574853 km
15.56 km/s
2043-Jun-13 11:30 0.333808 AU
49936983 km
13.18 km/s
2044-Jan-13 00:34 0.193025 AU
28876173 km
6.51 km/s
2044-Aug-07 19:06 0.314506 AU
47049395 km
11.37 km/s
2050-Jun-18 05:05 0.474262 AU
70948547 km
17.29 km/s
2051-Feb-15 00:46 0.200184 AU
29947064 km
5.26 km/s
2051-Aug-06 18:10 0.190399 AU
28483326 km
7.15 km/s
2058-Jul-08 07:08 0.090421 AU
13526744 km
4.50 km/s
2065-Jun-16 02:30 0.012245 AU
1831884 km
4.36 km/s
2065-Oct-10 12:13 0.154619 AU
23130626 km
3.59 km/s
2072-Mar-19 23:13 0.188339 AU
28175113 km
3.01 km/s
2072-Jul-19 12:15 0.120900 AU
18086377 km
5.07 km/s
2078-Jun-15 16:46 0.434157 AU
64948934 km
16.20 km/s
2079-Jan-28 23:19 0.206492 AU
30890752 km
6.24 km/s
2079-Aug-07 05:32 0.254696 AU
38101955 km
9.51 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
26.33

Orbit Quality

RMS
0.5588
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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