(21001) Trogrlic Mars-crossing Asteroid
Discovered on 1 April 1987 by A. Maury at Palomar.
The Trogrlic family includes Yvan (1908-1970), Marie (1912-1994) and their children Jean (b. 1934), Emilienne (b. 1935), Yvonne (b. 1937) and Liliane (1938-1972), who are, respectively, grandfather, grandmother, uncle, mother and aunts of the discoverer.Naming citation (20030614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Trogrlic is today
Seen from above the solar system on 2026-10-14: Trogrlic is 2.46 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21001 |
| Provisional designation | 1987 GF |
| Orbit class | Mars-crossing Asteroid |
| Rotation period | 6.19 hours |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.55 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 1.58 – 3.07 au |
| Eccentricity | 0.320 |
| Inclination | 21.6° |
| Closest distance between its orbit and Earth's (MOID) | 0.705 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.