SpaceAtlas Space Object Data
NASA JPL SBDB · 2022 DX

2022 DX

2022 DX belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.112 AU it takes 1.17 yr to circle the Sun.

Apollo Observations: 54
Orbital Period · P
1.17 yr
v(q)
30.9 km/s
v(Q)
25.8 km/s
Diameter · ≈
0.01 km
TJ
5.6
Eccentricity · e
0.0888

Orbit and dynamics

Between its closest point (1.013 AU) and its farthest (1.211 AU), the heliocentric distance changes by 0.198 AU over every revolution.

One full revolution takes 1.17 yr (428 days), computed from the semi-major axis of 1.112 AU.

With e = 0.089, the orbit is close to circular.

Its inclination of 0.2° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 30.9 km/s at perihelion and falls to 25.8 km/s at aphelion.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 28.3 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.01 km.

Observation record and orbit quality

Astrometry from 54 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5984 arcseconds.

Condition code U = 5 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
1.112 AU
Eccentricity
0.0888
Perihelion
1.013 AU
Aphelion
1.210746 AU
Inclination
0.2°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
215.53°

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
2028-Dec-13 04:32 0.147619 AU
22083434 km
2.54 km/s
2029-May-08 12:50 0.182500 AU
27301617 km
6.57 km/s
2035-Oct-21 23:16 0.204087 AU
30531039 km
3.83 km/s
2036-May-23 08:52 0.425955 AU
63721912 km
13.84 km/s
2042-Feb-22 00:47 0.383588 AU
57383942 km
12.57 km/s
2042-Sep-05 11:19 0.198774 AU
29736209 km
3.63 km/s
2049-Mar-04 09:57 0.134037 AU
20051681 km
5.26 km/s
2049-Jul-07 23:26 0.126117 AU
18866833 km
1.84 km/s
2056-Apr-22 01:43 0.032969 AU
4932108 km
2.04 km/s
2062-Oct-01 01:39 0.217930 AU
32601898 km
4.07 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
28.3

Orbit Quality

RMS
0.59843
Condition
5
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.

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