(9941) Iguanodon Main-belt Asteroid
Discovered on 4 February 1989 by E. W. Elst at La Silla.
Iguanodon was a heavy bipedal, upright-standing dinosaur, balancing its long 10-meter body by a heavy tail. It lived in Lower Cretaceous times, and many skeletons have been found in Europe.Naming citation (WGSBN Bull. 3, #15, 6), IAU / Minor Planet Center, via NASA/JPL
Where Iguanodon is today
Seen from above the solar system on 2026-10-14: Iguanodon is 2.18 au from the Sun and 1.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9941 |
| Provisional designation | 1989 CB3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.12 km (#14,912 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.287 |
| Rotation period | 1.15 hours |
| Absolute magnitude (H) | 14.84 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.02 – 2.58 au |
| Eccentricity | 0.121 |
| Inclination | 5.44° |
| 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 4 February 1989
- (4501) Eurypylos
- (5124) Muraoka
- (5127) Bruhns
- (5400) Anniewalker
- (6125) Singto
- (6237) Chikushi
- (7083) Kant
- (9576) van der Weyden
- (9748) van Ostaijen
- (10068) Dodoens
- (10069) Fontenelle
- (15239) Stenhammar
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
← (9938) Kretlow · (9943) Bizan →