(225438) Jacobfirer Main-belt Asteroid
Discovered on 5 February 2000 by M. W. Buie at Kitt Peak.
Jacob Firer (b. 1956) is an American engineer with expertise in engineering analysis, design, testing, and operations. He worked on flight software for Parker Solar Probe, Van Allen Probes, New Horizons, MESSENGER, and numerous near-Earth missions, including Hubble Space Telescope.Naming citation (WGSBN Bull. 5, #4, 29), IAU / Minor Planet Center, via NASA/JPL
Where Jacobfirer is today
Seen from above the solar system on 2026-10-14: Jacobfirer is 2.68 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 225438 |
| Provisional designation | 2000 CC110 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.28 km (#14,528 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Absolute magnitude (H) | 16.47 |
| Orbital period | 5.45 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.67 – 3.52 au |
| Eccentricity | 0.138 |
| Inclination | 0.735° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jacob
- (9690) Houtgast
- (11772) Jacoblemaire
- (12180) Kistemaker
- (12208) Jacobenglander
- (12645) Jacobrosales
- (15017) Cuppy
- (16120) Burnim
- (16165) Licht
- (19643) Jacobrucker
- (21926) Jacobperry
- (22730) Jacobhurwitz
- (23298) Loewenstein
All asteroids named after someone called Jacob
Also discovered on 5 February 2000
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- (26533) Aldering
- (28488) Gautam
- (28513) Guo
- (50401) Richardmeyers
- (71538) Robertfried
- (97512) Jemison
- (103733) Bernardharris
- (103734) Winstonscott
- (103737) Curbeam
- (103738) Stephaniewilson
- (130249) Markminer