(22955) Tibees Main-belt Asteroid
Discovered on 7 October 1999 by CSS at Catalina.
Toby Hendy (b. 1995) is a New Zealand science communicator. Better known by her nickname Tibees, her eponymous YouTube channel has gained more than one million subscribers. She publishes videos about mathematics, physics and astronomy.Naming citation (WGSBN Bull. 5, #4, 25), IAU / Minor Planet Center, via NASA/JPL
Where Tibees is today
Seen from above the solar system on 2026-10-14: Tibees is 2.46 au from the Sun and 1.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22955 |
| Provisional designation | 1999 TH251 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.5 km (#2,791 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0460 |
| Rotation period | 11.8 hours |
| Absolute magnitude (H) | 13.09 |
| Orbital period | 4.63 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.45 – 3.10 au |
| Eccentricity | 0.116 |
| Inclination | 21.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.54 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 October 1999
- (12931) Mario
- (16089) Lamb
- (16090) Lukaszewski
- (16091) Malchiodi
- (19704) Medlock
- (20643) Angelicaliu
- (20644) Amritdas
- (20645) Ryderstrauss
- (20646) Nikhilgupta
- (20647) Ryujiokazaki
- (21850) Abshir
- (21852) Bolander