(4668) Rayjay Main-belt Asteroid
Discovered on 21 February 1987 by H. Debehogne at La Silla.
Sri Lankan-born and raised Ray Jayawardhana (b. 1971), known as “RayJay”, is an astronomer at the University of Toronto, and an award-winning science writer. Name suggested by the SGAC Name An Asteroid Campaign.Naming citation (MPC batch dated 2014-09-09), IAU / Minor Planet Center, via NASA/JPL
Where Rayjay is today
Seen from above the solar system on 2026-10-14: Rayjay is 2.74 au from the Sun and 2.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4668 |
| Provisional designation | 1987 DX5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.9 km (#3,425 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.159 |
| Rotation period | 6.51 hours |
| Absolute magnitude (H) | 12.36 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.66 – 3.37 au |
| Eccentricity | 0.118 |
| Inclination | 9.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 February 1987
More named asteroids discovered by H. Debehogne
- (2364) Seillier
- (2543) Machado
- (2590) Mourao
- (2673) Lossignol
- (2707) Ueferji
- (2814) Vieira
- (2852) Declercq
- (2926) Caldeira
- (3002) Delasalle
- (3138) Ciney
- (3274) Maillen
- (3365) Recogne
← (4667) Robbiesh · (4669) Hoder →