(5427) Jensmartin Inner Main-belt Asteroid
Discovered on 13 May 1986 by P. Jensen at Brorfelde.
Danish astrophysicist Jens Martin Knudsen (1930-2005) specialized in Mössbauer spectroscopy of meteorites and the exploration of Mars. Through his enthusiastic teaching and public outreach activities, he has inspired several generations of students and helped establish space exploration on the public agenda.Naming citation (20050407/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jensmartin is today
Seen from above the solar system on 2026-10-14: Jensmartin is 1.81 au from the Sun and 2.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5427 |
| Provisional designation | 1986 JQ |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 3.16 km (#14,810 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.788 |
| Rotation period | 5.81 hours |
| Absolute magnitude (H) | 13.68 |
| Orbital period | 2.68 years |
| Semi-major axis | 1.93 au |
| Perihelion – aphelion | 1.79 – 2.08 au |
| Eccentricity | 0.0745 |
| Inclination | 20.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.842 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jens
- (4088) Baggesen
- (6119) Hjorth
- (8861) Jenskandler
- (12352) Jepejacobsen
- (22168) Weissflog
- (731389) Jensdierks
All asteroids named after someone called Jens
More named asteroids discovered by P. Jensen
- (3459) Bodil
- (3782) Celle
- (3796) Lene
- (3830) Trelleborg
- (3858) Dorchester
- (3864) Soren
- (3948) Bohr
- (3956) Caspar
- (3989) Odin
- (3990) Heimdal
- (4059) Balder
- (4088) Baggesen
← (5426) Sharp · (5430) Luu →