(12628) Acworthorr Main-belt Asteroid
Discovered on 25 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Mary Acworth Orr (1867-1949), wife of the solar physicist and Kodaikanal Observatory director John Evershed, in 1913 published a detailed study of the numerous astronomical allusions in the works of the Italian poet Dante Alighieri. The name was suggested by R. H. van Gent.Naming citation (WGSBN Bull. 2, #16, 4), IAU / Minor Planet Center, via NASA/JPL
Where Acworthorr is today
Seen from above the solar system on 2026-10-14: Acworthorr is 2.65 au from the Sun and 2.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12628 |
| Provisional designation | 2120 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.00 km (#10,614 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0770 |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.11 – 2.73 au |
| Eccentricity | 0.129 |
| Inclination | 2.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mary
- (4793) Slessor
- (5595) Roth
- (6603) Marycragg
- (7091) Maryfields
- (7958) Leakey
- (9824) Marylea
- (10870) Gwendolen
- (11369) Brazelton
- (12590) Ballantine
- (12627) Maryedwards
- (13412) Guerrieri
- (15107) Toepperwein
All asteroids named after someone called Mary
Also discovered on 25 March 1971
- (1873) Agenor
- (5408) The
- (6072) Hooghoudt
- (6616) Plotinos
- (6617) Boethius
- (6673) Degas
- (6751) van Genderen
- (7148) Reinholdbien
- (7211) Xerxes
- (7314) Pevsner
- (7624) Gluck
- (7690) Sackler