2023 FW13 is an asteroid in the Aten orbit class. Its orbit takes it from 0.82 AU to 1.18 AU from the Sun; one orbit takes 364.7 days. Orbit from the JPL solution of 28 July 2026.
Where is it now
- Distance from Sun
- 0.873 AU
- True anomaly
- 307.64°
- Distance from Earth
- 0.49 AU
- As of
- 3 November 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
In the sky
- Right ascension
- 18h 57m 45s
- Declination
- -26° 54′ 42″
- Constellation
- Sagittarius
- Distance from Earth
- 0.49 AU
- Elongation from the Sun
- 61.64° — well clear of the Sun
Favours the southern hemisphere; low or below the horizon from far north.
From your location
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 0.999 AU
- Eccentricity
- 0.1774
- Inclination
- 2.75°
- Orbital period
- 364.7 days
- Perihelion
- 0.822 AU
- Aphelion
- 1.176 AU
- Longitude of ascending node
- 68.83°
- Argument of periapsis
- 355.28°
- Epoch · J2000
- 2461200.5
- Orbit class · ATE
- Aten
- Earth MOID · 17.8 LD
- 0.0458 AU
- Tisserand (Jupiter)
- 6.07
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 50
- Data arc
- 12.83 years
- First observed
- 21 May 2012
- Last observed
- 21 March 2025
- Residual RMS
- 0.45 ″
- Solution · Otto Matic
- 28 July 2026
Visual & observation
- Absolute magnitude (H)
- 26.03
Discovery & classification
Close approaches 517 on record
Top-down view of the ecliptic, Earth at the centre, for the 2027-03-05 08:09 UTC close approach of 2023 FW13. Catalogue miss distance 30.7 LD · 1.18 × 10⁷ km. The curve is the geocentric path from 2027-03-02 to 2027-03-08, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. At closest approach the object is north of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate.
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2027-03-05 08:09:00 | Earth | 0.079 AU | 30.7 LD | 3.1 km/s |
| 2028-03-10 06:44:00 | Earth | 0.0886 AU | 34.5 LD | 3 km/s |
| 2029-02-05 19:58:00 | Earth | 0.1028 AU | 40.0 LD | 3 km/s |
| 2029-03-19 10:12:00 | Earth | 0.0996 AU | 38.7 LD | 3.2 km/s |
| 2029-12-21 16:58:00 | Venus | 0.1181 AU | 46.0 LD | 0.5 km/s |
| 2030-01-25 07:52:00 | Earth | 0.1148 AU | 44.7 LD | 3.5 km/s |
| 2030-03-28 03:46:00 | Earth | 0.1111 AU | 43.2 LD | 3.5 km/s |
| 2031-01-15 21:59:00 | Earth | 0.1262 AU | 49.1 LD | 4 km/s |
| 2031-04-05 03:05:00 | Earth | 0.1226 AU | 47.7 LD | 3.7 km/s |
| 2032-01-07 13:41:00 | Earth | 0.1362 AU | 53.0 LD | 4.5 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB