(8168) Rogerbourke Main-belt Asteroid
Discovered on 18 March 1991 by E. F. Helin at Palomar.
Roger D. Bourke (b. 1938) devoted his career to the furtherance of planetary exploration missions. At the Jet Propulsion Laboratory, he worked on mission design for Mariner Mars (1971), Mariner Venus-Mercury (1973), Voyager (1977) Grand Tour of the Outer Planets missions and the Mars Exploration Program.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rogerbourke is today
Seen from above the solar system on 2026-10-14: Rogerbourke is 2.87 au from the Sun and 2.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8168 |
| Provisional designation | 1991 FK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.25 km (#12,158 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.355 |
| Absolute magnitude (H) | 13.77 |
| Orbital period | 3.71 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.71 – 3.09 au |
| Eccentricity | 0.288 |
| Inclination | 21.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.863 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roger
- (4312) Knacke
- (6651) Rogervenable
- (9452) Rogerpeeters
- (10076) Rogerhill
- (10231) Penrose
- (11833) Dixon
- (13441) Janmerlin
- (13668) Tanner
- (24858) Diethelm
- (25743) Serrato
- (29874) Rogerculver
- (41795) Wiens
All asteroids named after someone called Roger
Also discovered on 18 March 1991
More named asteroids discovered by E. F. Helin
- (1982) Cline
- (2048) Dwornik
- (2050) Francis
- (2062) Aten
- (2074) Shoemaker
- (2083) Smither
- (2099) Opik
- (2100) Ra-Shalom
- (2128) Wetherill
- (2143) Jimarnold
- (2220) Hicks
- (2335) James
← (8167) Ishii · (8169) Mirabeau →