(20654) Ivaneder Main-belt Asteroid
Discovered on 8 October 1999 by CSS at Catalina.
Ivan Eder (b. 1979) is an accomplished deep-space astrophotographer from Budapest, Hungary. Ivan started astrophotography at the young age of 13. His images are routinely featured in publications such as Sky & Telescope, and on Astronomy Picture of the Day.Naming citation (WGSBN Bull. 5, #9, 5), IAU / Minor Planet Center, via NASA/JPL
Where Ivaneder is today
Seen from above the solar system on 2026-10-14: Ivaneder is 3.13 au from the Sun and 2.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20654 |
| Provisional designation | 1999 TO247 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.3 km (#4,420 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Absolute magnitude (H) | 13.56 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.90 – 3.41 au |
| Eccentricity | 0.0813 |
| Inclination | 5.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ivan
- (5361) Goncharov
- (8244) Mikolaichuk
- (8609) Shuvalov
- (9732) Juchnovski
- (9932) Kopylov
- (11003) Andronov
- (11191) Paskvic
- (12513) Niven
- (17002) Kouzel
- (20045) Semeniuk
- (20658) Bushmarinov
- (22901) Ivanbella
All asteroids named after someone called Ivan
Also discovered on 8 October 1999
- (16095) Lorenball
- (19707) Tokunai
- (24068) Simonsen
- (42929) Francini
- (66667) Kambic
- (129955) Eriksyrstad
- (243637) Frosinone