(63463) Calamandrei Main-belt Asteroid
Discovered on 20 July 2001 by Tombelli, M., Tesi, L. at San Marcello.
Marco Calamandrei (b. 1954) is an Italian amateur astronomer at the Gruppo Astrofili Montelupo. Before he retired, he was an anesthesiologist at the Meyer pediatric hospital in Florence.Naming citation (WGSBN Bull. 4, #7, 9), IAU / Minor Planet Center, via NASA/JPL
Where Calamandrei is today
Seen from above the solar system on 2026-10-14: Calamandrei is 2.65 au from the Sun and 3.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 63463 |
| Provisional designation | 2001 OR12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.11 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.11 – 2.71 au |
| Eccentricity | 0.125 |
| Inclination | 5.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Marco
- (7388) Marcomorelli
- (10149) Cavagna
- (10277) Micheli
- (10738) Marcoaldo
- (11951) Marcoschioppa
- (16250) Delbo
- (24818) Menichelli
- (29457) Marcopolo
- (31415) Fenucci
- (44005) Migliardi
- (49443) Marcobondi
- (50275) Marcocasalini
All asteroids named after someone called Marco
Also discovered on 20 July 2001
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- (32524) Roberthowie
- (37309) Pajuelo
- (51827) Laurelclark
- (51828) Ilanramon
- (99262) Bleustein