(13533) Junili Main-belt Asteroid
Discovered on 4 September 1991 by E. W. Elst at La Silla.
The troika of daughters June (1985), Nina (1987) and Lian (1988) give much joy and enlightenment to their parents, psychologist Theo Geuens and his companion Rita Heirman. They are majoring in sociology, mathematics and childhood education, respectively.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Junili is today
Seen from above the solar system on 2026-10-14: Junili is 3.40 au from the Sun and 3.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13533 |
| Provisional designation | 1991 RJ11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.96 km (#5,125 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0780 |
| Rotation period | 6.00 hours |
| Absolute magnitude (H) | 13.78 |
| Orbital period | 5.55 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.80 – 3.47 au |
| Eccentricity | 0.107 |
| Inclination | 2.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 September 1991
- (6789) Milkey
- (7420) Buffon
- (8370) Vanlindt
- (8515) Corvan
- (9346) Fernandel
- (9594) Garstang
- (10784) Noailles
- (10785) Dejaiffe
- (11059) Nulliusinverba
- (12301) Eotvos
- (13534) Alain-Fournier
- (21073) Darksky