SpaceAtlas Space Object Data
NASA JPL SBDB · 2023 FA

2023 FA

2023 FA is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.873 AU and a period of 0.81 yr.

Aten Observations: 43
Orbital Period · P
0.81 yr
v(q)
42.6 km/s
v(Q)
23.9 km/s
Diameter · ≈
0.02 km
TJ
6.74
Eccentricity · e
0.282

Orbit and dynamics

The path is an ellipse reaching 0.626 AU from the Sun at perihelion and 1.119 AU at aphelion, a radial span of 0.493 AU.

Applying Kepler's third law to a = 0.873 AU gives an orbital period of 0.81 yr, or about 298 days.

An eccentricity of 0.282 makes the orbit moderately elongated.

The orbital plane is tilted 7.84° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 42.6 km/s at perihelion and falls to 23.9 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 = 26.5 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 43 observations and has a weighted RMS residual of 0.5024 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
0.8725 AU
Eccentricity
0.282
Perihelion
0.626 AU
Aphelion
1.118545 AU
Inclination
7.84°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
231.07°

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-20 10:17 0.140599 AU
21033312 km
6.65 km/s
2027-Jun-23 02:23 0.363030 AU
54308468 km
10.54 km/s
2030-Dec-30 15:01 0.428608 AU
64118874 km
21.32 km/s
2031-Aug-21 10:11 0.386061 AU
57753926 km
13.60 km/s
2032-Mar-20 20:58 0.185183 AU
27702950 km
14.46 km/s
2035-Oct-26 15:24 0.258101 AU
38611344 km
7.71 km/s
2036-Feb-09 07:03 0.163891 AU
24517797 km
6.91 km/s
2036-May-15 13:35 0.280408 AU
41948376 km
5.51 km/s
2039-Dec-22 22:39 0.245080 AU
36663428 km
15.15 km/s
2040-Jul-27 22:42 0.395734 AU
59200901 km
13.43 km/s
2041-Mar-14 04:45 0.370091 AU
55364778 km
20.51 km/s
2044-Sep-22 09:49 0.334597 AU
50055037 km
11.56 km/s
2045-Mar-20 08:15 0.034519 AU
5163971 km
7.53 km/s
2048-Dec-16 02:10 0.133722 AU
20004557 km
8.66 km/s
2049-Jul-02 06:28 0.374702 AU
56054636 km
11.56 km/s
2053-Aug-29 22:00 0.375509 AU
56175355 km
13.28 km/s
2054-Mar-23 05:46 0.109817 AU
16428436 km
12.25 km/s
2058-Jan-22 14:55 0.168996 AU
25281428 km
6.70 km/s
2058-Jun-03 16:59 0.323790 AU
48438262 km
8.09 km/s
2061-Dec-25 17:40 0.331630 AU
49611158 km
17.78 km/s
2062-Aug-07 23:20 0.394342 AU
58992657 km
13.67 km/s
2063-Mar-18 02:52 0.299345 AU
44781331 km
17.78 km/s
2066-Oct-09 21:16 0.301813 AU
45150622 km
9.72 km/s
2067-Feb-28 10:12 0.132750 AU
19859048 km
6.84 km/s
2070-Dec-19 23:03 0.195893 AU
29305200 km
12.95 km/s
2071-Jul-20 17:03 0.391740 AU
58603428 km
13.01 km/s
2072-Mar-11 16:48 0.431916 AU
64613734 km
22.38 km/s
2075-Sep-18 12:55 0.344519 AU
51539301 km
11.97 km/s
2076-Mar-22 06:50 0.010814 AU
1617767 km
8.15 km/s
2079-Dec-16 11:47 0.135220 AU
20228664 km
8.94 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
26.5

Orbit Quality

RMS
0.50245
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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