(34424) Utashima Main-belt Asteroid
Discovered on 24 September 2000 by BATTeRS at Bisei SG Center.
Masayoshi Utashima (b. 1951) was a researcher in the field of orbital mechanics in Japan Aerospace Exploration Agency. He was a member of the board of directors in the first phase of the Japan Spaceguard Association. He made investigations to detect NEAs by both ground and space telescopes.Naming citation (MPC batch dated 2016-04-22), IAU / Minor Planet Center, via NASA/JPL
Where Utashima is today
Seen from above the solar system on 2026-10-14: Utashima is 2.83 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 34424 |
| Provisional designation | 2000 SA21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.89 km (#10,836 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.169 |
| Absolute magnitude (H) | 14.46 |
| Orbital period | 5.20 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.70 – 3.30 au |
| Eccentricity | 0.101 |
| Inclination | 9.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 September 2000
- (19023) Varela
- (19025) Arthurpetron
- (19029) Briede
- (19808) Elainemccall
- (19809) Nancyowen
- (19810) Partridge
- (19811) Kimperkins
- (19813) Ericsands
- (19815) Marshasega
- (19816) Wayneseyfert
- (19817) Larashelton
- (19818) Shotwell