(3276) Porta Coeli Main-belt Asteroid
Discovered on 15 September 1982 by A. Mrkos at Klet.
Where Porta Coeli is today
Seen from above the solar system on 2026-10-14: Porta Coeli is 2.78 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3276 |
| Provisional designation | 1982 RZ1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 18.4 km (#2,432 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Absolute magnitude (H) | 12.57 |
| Orbital period | 5.54 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.63 – 3.63 au |
| Eccentricity | 0.158 |
| Inclination | 2.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.65 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 September 1982
- (2815) Soma
- (3693) Barringer
- (4194) Sweitzer
- (4553) Doncampbell
- (5861) Glynjones
- (7921) Huebner
- (8258) McCracken
- (12218) Fleischer
- (13004) Aldaz