(21401) Justinkovac Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
Justin Alexander Kovac (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his earth and planetary science project. He attends the Montgomery Blair High School, Silver Spring, Maryland.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Justinkovac is today
Seen from above the solar system on 2026-10-14: Justinkovac is 2.56 au from the Sun and 1.76 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21401 |
| Provisional designation | 1998 FC58 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.25 km (#16,697 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.383 |
| Absolute magnitude (H) | 15.21 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.00 – 2.87 au |
| Eccentricity | 0.177 |
| Inclination | 2.11° |
| Closest distance between its orbit and Earth's (MOID) | 0.989 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Justin
- (11231) Schiavo
- (12571) Occhiogrosso
- (13585) Justinsmith
- (16177) Pelzer
- (19593) Justinkoh
- (21394) Justinbecker
- (21747) Justsolomon
- (25531) Lessek
- (26666) Justinto
- (27382) Justinbarber
- (31513) Lafazan
- (34278) Justinxie
All asteroids named after someone called Justin
Also discovered on 20 March 1998
- (8744) Cilla
- (8745) Delaney
- (8954) Baral
- (9126) Samcoulson
- (9243) Alag
- (9454) Ardeishar
- (11169) Alkon
- (11170) Bradenmilford
- (11173) Jayanderson
- (11174) Carandrews
- (11176) Batth
- (11685) Adamcurry