(3858) Dorchester Mars-crossing Asteroid
Discovered on 3 October 1986 by P. Jensen at Brorfelde.
Where Dorchester is today
Seen from above the solar system on 2026-10-14: Dorchester is 2.69 au from the Sun and 3.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3858 |
| Provisional designation | 1986 TG |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 3.31 km (#14,437 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.339 |
| Spectral type | Sa |
| Absolute magnitude (H) | 14.01 |
| Orbital period | 3.24 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.66 – 2.72 au |
| Eccentricity | 0.243 |
| Inclination | 7.71° |
| Closest distance between its orbit and Earth's (MOID) | 0.650 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 October 1986
- (3782) Celle
- (4256) Kagamigawa
- (5900) Jensen
- (6592) Goya
- (10048) Gronbech
- (10049) Vorovich
- (10723) Tobiashinse
- (12686) Bezuglyj
- (14829) Povalyaeva
More named asteroids discovered by P. Jensen
- (3459) Bodil
- (3782) Celle
- (3796) Lene
- (3830) Trelleborg
- (3864) Soren
- (3948) Bohr
- (3956) Caspar
- (3989) Odin
- (3990) Heimdal
- (4059) Balder
- (4088) Baggesen
- (4092) Tyr
← (3857) Cellino · (3859) Borngen →