(12176) Hidayat Main-belt Asteroid
Discovered on 16 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Bambang Hidayat (b. 1934) is an active promotor of astronomy in Indonesia. Known for his work on visual binaries and H-emission-line stars, he was director of Bosscha Observatory in Lembang during 1968-1999 and vice-president of the IAU during 1994-2000.Naming citation (20101128/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hidayat is today
Seen from above the solar system on 2026-10-14: Hidayat is 2.74 au from the Sun and 2.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12176 |
| Provisional designation | 3468 T-3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.37 km (#16,495 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.344 |
| Absolute magnitude (H) | 15.15 |
| Orbital period | 3.71 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.05 – 2.75 au |
| Eccentricity | 0.145 |
| Inclination | 2.03° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 October 1977
- (3798) de Jager
- (3936) Elst
- (4044) Erikhog
- (4108) Rakos
- (4722) Agelaos
- (4753) Phidias
- (4754) Panthoos
- (5610) Balster
- (5699) Munch
- (5700) Homerus
- (5984) Lysippus
- (6055) Brunelleschi