SpaceAtlas Space Object Data
NASA JPL SBDB · 2010 GL23

2010 GL23

2010 GL23 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.155 AU it takes 1.24 yr to circle the Sun.

Apollo Observations: 43
Orbital Period · P
1.24 yr
v(q)
40.7 km/s
v(Q)
18.9 km/s
Diameter · ≈
0.1 km
TJ
5.38
Eccentricity · e
0.3658

Orbit and dynamics

Between its closest point (0.733 AU) and its farthest (1.577 AU), the heliocentric distance changes by 0.844 AU over every revolution.

One full revolution takes 1.24 yr (453 days), computed from the semi-major axis of 1.155 AU.

An eccentricity of 0.366 makes the orbit moderately elongated.

The orbital plane is tilted 7.2° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 40.7 km/s at perihelion and falls to 18.9 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

The measured diameter is 0.09 km, a value from direct size determination rather than from brightness alone.

A geometric albedo of 0.159 points to a comparatively bright, reflective surface.

Observation record and orbit quality

Astrometry from 43 individual observations underpins this orbit; the fit leaves an RMS residual of 0.6298 arcseconds.

Condition code U = 7 signals a poorly constrained orbit, so its future path should be treated as provisional.

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
1.155 AU
Eccentricity
0.3658
Perihelion
0.733 AU
Aphelion
1.577499 AU
Inclination
7.2°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
75.58°

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-Sep-27 07:50 0.064147 AU
9596182 km
11.36 km/s
2034-Sep-14 07:47 0.089747 AU
13425999 km
17.76 km/s
2036-Apr-08 00:26 0.141528 AU
21172345 km
20.13 km/s
2039-Sep-02 10:55 0.289179 AU
43260568 km
24.78 km/s
2041-Mar-27 18:40 0.064415 AU
9636407 km
12.52 km/s

Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.

Physical Parameters

Diameter
0.092 km
Albedo
0.159
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
22.8

Orbit Quality

RMS
0.62982
Condition
7
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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