(7919) Prime Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Recognizing the importance that mathematics has played in science, this naming acknowledges that 7919 is the one-thousandth prime number. Name proposed by the discoverer following a suggestion by D. Hamilton.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Prime is today
Seen from above the solar system on 2026-10-14: Prime is 2.63 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7919 |
| Provisional designation | 1981 EZ27 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.16 – 2.73 au |
| Eccentricity | 0.116 |
| Inclination | 1.18° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz