SpaceAtlas Space Object Data
NASA JPL SBDB · 2022 SL48

2022 SL48

2022 SL48 is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.846 AU and a period of 0.78 yr.

Aten Observations: 18
Orbital Period · P
0.78 yr
v(q)
45.7 km/s
v(Q)
22.9 km/s
Diameter · ≈
0.02 km
TJ
6.91
Eccentricity · e
0.3314

Orbit and dynamics

Between its closest point (0.566 AU) and its farthest (1.127 AU), the heliocentric distance changes by 0.561 AU over every revolution.

One full revolution takes 0.78 yr (284 days), computed from the semi-major axis of 0.846 AU.

An eccentricity of 0.331 makes the orbit moderately elongated.

Its inclination of 2.31° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 45.7 km/s at perihelion and falls to 22.9 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 = 26.82 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.02 km.

Observation record and orbit quality

Astrometry from 18 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4143 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
0.8463 AU
Eccentricity
0.3314
Perihelion
0.566 AU
Aphelion
1.126764 AU
Inclination
2.31°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
21.76°

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
2026-Dec-18 23:07 0.120586 AU
18039419 km
12.65 km/s
2029-Sep-23 09:01 0.022119 AU
3309018 km
10.01 km/s
2033-Dec-19 21:07 0.077936 AU
11659021 km
11.07 km/s
2036-Sep-23 18:15 0.095641 AU
14307749 km
11.95 km/s
2040-Dec-19 13:52 0.039658 AU
5932732 km
9.24 km/s
2043-Sep-25 20:48 0.133947 AU
20038130 km
13.65 km/s
2047-Dec-18 07:46 0.039088 AU
5847543 km
7.98 km/s
2054-Dec-07 20:03 0.069978 AU
10468539 km
6.93 km/s
2061-Nov-18 05:58 0.123528 AU
18479455 km
7.06 km/s
2068-Oct-29 01:25 0.130989 AU
19595726 km
7.11 km/s
2075-Oct-09 17:27 0.095361 AU
14265820 km
6.94 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
26.82

Orbit Quality

RMS
0.41429
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.

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