(175736) Pierrelena Main-belt Asteroid
Discovered on 21 April 1998 by ODAS at Caussols.
Pierre Léna (b. 1937) is a French astrophysicist, academician and university professor who is active in youth-science education. He explored the infrared sky and contributed to the European VLT with adaptive optics and optical interferometry. A supersonic aircraft at the 1973 solar eclipse gave him (and others) 74 minutes of totality.Naming citation (WGSBN Bull. 5, #21, 9), IAU / Minor Planet Center, via NASA/JPL
Where Pierrelena is today
Seen from above the solar system on 2026-10-14: Pierrelena is 2.16 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 175736 |
| Provisional designation | 1998 HJ6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.11 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.02 – 2.58 au |
| Eccentricity | 0.121 |
| Inclination | 5.51° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Pierre
- (2190) Coubertin
- (5439) Couturier
- (5442) Drossart
- (5523) Luminet
- (8190) Bouguer
- (10139) Ronsard
- (11401) Pierralba
- (11946) Bayle
- (12007) Fermat
- (12042) Laques
- (12324) Van Rompaey
- (12580) Antonini
All asteroids named after someone called Pierre
Also discovered on 21 April 1998
- (9244) Visnjan
- (11715) Harperclark
- (11716) Amahartman
- (11718) Hayward
- (11719) Hicklen
- (11720) Horodyskyj
- (11721) Shawnlowe
- (11724) Ronaldhsu
- (11725) Victoriahsu
- (12091) Jesmalmquist
- (12092) Erinorourke
- (12093) Chrimatthews