(4999) MPC Main-belt Asteroid
Discovered on 2 February 1987 by E. W. Elst at La Silla.
Where MPC is today
Seen from above the solar system on 2026-10-14: MPC is 3.12 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4999 |
| Provisional designation | 1987 CJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.2 km (#4,020 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.189 |
| Rotation period | 103 hours |
| Absolute magnitude (H) | 12.32 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.88 – 3.15 au |
| Eccentricity | 0.0444 |
| Inclination | 10.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 February 1987
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
← (4998) Kabashima · (5000) IAU →