(189018) Guokeda Main-belt Asteroid
Discovered on 14 October 1998 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Guokeda (University of Chinese Academy of Sciences, UCAS), is the first and largest graduate education institution in the P.R. China, having granted the country's first Ph.D.s in science and in engineering. UCAS started enrolling undergraduate students in 2014.Naming citation (MPC batch dated 2018-09-25), IAU / Minor Planet Center, via NASA/JPL
Where Guokeda is today
Seen from above the solar system on 2026-10-14: Guokeda is 3.32 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 189018 |
| Provisional designation | 1998 TC19 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.80 km (#9,225 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Absolute magnitude (H) | 15.4 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.51 – 3.59 au |
| Eccentricity | 0.177 |
| Inclination | 5.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 October 1998
- (13358) Revelle
- (15026) Davidscott
- (20421) Joshelliott
- (22744) Esterantonucci
- (22745) Rikuzentakata
- (23938) Kurosaki
- (25231) Naylor
- (25232) Schatz
- (25233) Tallman
- (25234) Odell
- (26312) Ciardi
- (26313) Lorilombardi