(4230) van den Bergh Outer Main-belt Asteroid
Discovered on 19 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Where van den Bergh is today
Seen from above the solar system on 2026-10-14: van den Bergh is 4.11 au from the Sun and 4.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4230 |
| Provisional designation | 1973 ST1 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 28.5 km (#1,450 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Rotation period | 87.9 hours |
| Absolute magnitude (H) | 11.84 |
| Orbital period | 7.86 years |
| Semi-major axis | 3.95 au |
| Perihelion – aphelion | 3.42 – 4.49 au |
| Eccentricity | 0.136 |
| Inclination | 3.10° |
| Closest distance between its orbit and Earth's (MOID) | 2.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 September 1973
- (2643) Bernhard
- (3290) Azabu
- (3548) Eurybates
- (4007) Euryalos
- (4068) Menestheus
- (4138) Kalchas
- (4387) Tanaka
- (4757) Liselotte
- (5041) Theotes
- (5928) Pindarus
- (7152) Euneus
- (7214) Anticlus