(9812) Danco Main-belt Asteroid
Discovered on 18 September 1998 by E. W. Elst at La Silla.
Emile Danco (1869-1898), who participated in the Antarctic expedition of Adrien de Gerlache, was responsible for the photography and observation of geomagnetism. He died during the trip, and his body was buried at sea near a newly discovered land, named Dancoland.Naming citation (20021120/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Danco is today
Seen from above the solar system on 2026-10-14: Danco is 1.99 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9812 |
| Provisional designation | 1998 SJ144 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.14 km (#12,390 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.283 |
| Rotation period | 162 hours |
| Absolute magnitude (H) | 14.29 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.96 – 2.56 au |
| Eccentricity | 0.132 |
| Inclination | 6.24° |
| Closest distance between its orbit and Earth's (MOID) | 0.992 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Emile
- (14400) Baudot
- (15052) Emileschweitzer
- (19400) Emileclaus
- (22080) Emilevasseur
- (27947) Emilemathieu
- (29613) Charlespicard
All asteroids named after someone called Emile
Also discovered on 18 September 1998
- (11384) Sartre
- (13325) Valerienataf
- (13352) Gyssens
- (13740) Lastrucci
- (13772) Livius
- (14143) Hadfield
- (14612) Irtish
- (19517) Robertocarlos
- (22739) Sikhote-Alin
- (23880) Tongil
- (23888) Daikinoshita
- (25131) Katiemelua
More named asteroids discovered by E. W. Elst
- (3631) Sigyn
- (3784) Chopin
- (3870) Mayre
- (3903) Kliment Ohridski
- (3910) Liszt
- (3912) Troja
- (3918) Brel
- (4038) Kristina
- (4226) Damiaan
- (4342) Freud
- (4344) Buxtehude
- (4345) Rachmaninoff
← (9811) Cavadore · (9813) Rozgaj →