(19711) Johnaligawesa Main-belt Asteroid
Discovered on 1 October 1999 by CSS at Catalina.
John N. L. Aligawesa (1949–1999) was a telecommunications lecturer at the Dar-es-salaam Institute of Technology (DIT) in Tanzania. He attended the City college of New York, where he received his Master's Degree in Electrical Engineering. He was an avid instructor at DIT and a champion for education for all.Naming citation (WGSBN Bull. 6, #10, 6), IAU / Minor Planet Center, via NASA/JPL
Where Johnaligawesa is today
Seen from above the solar system on 2026-10-14: Johnaligawesa is 2.14 au from the Sun and 2.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19711 |
| Provisional designation | 1999 TG219 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.72 km (#11,191 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.182 |
| Rotation period | 54.3 hours |
| Absolute magnitude (H) | 13.61 |
| Orbital period | 3.60 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.79 – 2.90 au |
| Eccentricity | 0.237 |
| Inclination | 21.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.901 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called John
- (3882) Johncox
- (3893) DeLaeter
- (4089) Galbraith
- (4147) Lennon
- (4525) Johnbauer
- (4656) Huchra
- (4987) Flamsteed
- (5207) Hearnshaw
- (5216) Cannizzo
- (5362) Johnyoung
- (5517) Johnerogers
- (5558) Johnnapier
All asteroids named after someone called John
Also discovered on 1 October 1999
- (21799) Ciociaria
- (47171) Lempo
- (102211) Angelofaggiano
- (121352) Taylorhale
- (121468) Msovinskihaskell
- (121469) Sarahaugh
- (121505) Andrewliounis
- (129882) Ustica
- (129962) Williamverts