(8722) Schirra Main-belt Asteroid
Discovered on 19 August 1996 by R. G. Davis at Granville.
Walter M. Schirra, Jr. (b. 1923), the only astronaut to command Mercury, Gemini and Apollo spacecraft, performed missions enabling the success of the manned lunar landings. His mastery of the celestial sphere and awareness of his orientation within it distinguish Schirra as a practical astronomer and master astronaut.Naming citation (20001013/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Schirra is today
Seen from above the solar system on 2026-10-14: Schirra is 2.10 au from the Sun and 2.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8722 |
| Provisional designation | 1996 QU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.78 km (#11,048 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.213 |
| Rotation period | 2.31 hours |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.67 – 3.10 au |
| Eccentricity | 0.300 |
| Inclination | 5.84° |
| Closest distance between its orbit and Earth's (MOID) | 0.676 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Walter
- (4588) Wislicenus
- (6318) Cronkite
- (7921) Huebner
- (9132) Walteranderson
- (9187) Walterkroll
- (9577) Gropius
- (9661) Hohmann
- (9696) Jaffe
- (11789) Kempowski
- (12158) Tape
- (15265) Ernsting
- (15968) Waltercugno
All asteroids named after someone called Walter
Also discovered on 19 August 1996
← (8721) AMOS · (8723) Azumayama →