250458 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.52 AU to 1.52 AU from the Sun; one orbit takes 375.5 days; it is about 0.63 km across. Discovered 19 January 2004 by LINEAR. Orbit from the JPL solution of 19 January 2026.
Where is it now
- Distance from Sun
- 0.538 AU
- True anomaly
- 28.48°
- Distance from Earth
- 1.387 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
- 15h 15m 51s
- Declination
- -31° 15′ 56″
- Constellation
- Lupus
- Distance from Earth
- 1.39 AU
- Elongation from the Sun
- 18.16° — too close to the Sun to observe
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
- 1.019 AU
- Eccentricity
- 0.4929
- Inclination
- 35.55°
- Orbital period
- 375.5 days
- Perihelion
- 0.517 AU
- Aphelion
- 1.521 AU
- Longitude of ascending node
- 337.73°
- Argument of periapsis
- 254.46°
- Epoch · J2000
- 2461200.5
- Orbit class · APO
- Apollo
- Earth MOID · 34.9 LD
- 0.0896 AU
- Tisserand (Jupiter)
- 5.735
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 881
- Data arc
- 22 years
- First observed
- 19 January 2004
- Last observed
- 18 January 2026
- Residual RMS
- 0.34 ″
- Solution · Otto Matic
- 19 January 2026
Physical properties
- Mean radius
- 0.32 km
- Rotation period
- 16.19 hours
Visual & observation
- Geometric albedo
- 0.282
- Absolute magnitude (H)
- 17.99
Discovery & classification
- Discovered by
- LINEAR
- Discovery date
- 19 January 2004
- Discovery site
- Socorro
Also known as 2004 BO41 · 2007 AG2
Close approaches 58 on record
Top-down view of the ecliptic, Earth at the centre, for the 2052-09-03 20:56 UTC close approach of 250458. Catalogue miss distance 36.9 LD · 1.42 × 10⁷ km. The curve is the geocentric path from 2052-08-31 to 2052-09-06, 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 |
|---|---|---|---|---|
| 2027-12-10 23:55:00 | Venus | 0.1404 AU | 54.6 LD | 30.6 km/s |
| 2050-05-20 17:31:00 | Venus | 0.1252 AU | 48.7 LD | 31.9 km/s |
| 2052-09-03 20:56:00 | Earth | 0.0949 AU | 36.9 LD | 23 km/s |
| 2053-06-19 11:25:00 | Venus | 0.0659 AU | 25.7 LD | 29.9 km/s |
| 2053-09-11 14:44:00 | Earth | 0.1593 AU | 62.0 LD | 26.7 km/s |
| 2056-07-18 23:59:00 | Venus | 0.0137 AU | 5.3 LD | 28.2 km/s |
| 2059-08-17 09:59:00 | Venus | 0.0137 AU | 5.3 LD | 27.5 km/s |
| 2062-09-15 17:25:00 | Venus | 0.0608 AU | 23.7 LD | 26.2 km/s |
| 2065-10-15 05:49:00 | Venus | 0.1144 AU | 44.5 LD | 24.9 km/s |
| 2088-08-28 17:02:00 | Earth | 0.1926 AU | 75.0 LD | 20.5 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- physical properties: JPL SBDB (lookup)
- physical properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB