(19719) Glasser Main-belt Asteroid
Discovered on 9 November 1999 by C. W. Juels at Fountain Hills.
William Glasser (b. 1925) is a psychiatrist who developed the concepts of Choice Theory and Reality Therapy. Recent publications that emphasize promoting mental health include Choice Theory (1998), Every Student Can Succeed (2000) and Counseling with Choice Theory (2001).Naming citation (20020526/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Glasser is today
Seen from above the solar system on 2026-10-14: Glasser is 3.63 au from the Sun and 4.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19719 |
| Provisional designation | 1999 VB9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.5 km (#3,541 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0290 |
| Absolute magnitude (H) | 13.28 |
| Orbital period | 5.00 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 1.96 – 3.89 au |
| Eccentricity | 0.330 |
| Inclination | 13.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called William
- (1853) McElroy
- (2220) Hicks
- (3445) Pinson
- (3894) Williamcooke
- (4137) Crabtree
- (4423) Golden
- (4838) Billmclaughlin
- (5345) Boynton
- (5763) Williamtobin
- (6012) Williammurdoch
- (6613) Williamcarl
- (6756) Williamfeldman
All asteroids named after someone called William
Also discovered on 9 November 1999
- (14220) Alexgibbs
- (20695) Santiagoiglesias
- (20696) Torresduarte
- (21900) Orus
- (21942) Subramanian
- (21943) Diannacowern
- (21962) Scottsandford
- (23002) Jillhirsch
- (23003) Ziminski
- (23004) Triciatalbert
- (24101) Cassini
- (24102) Jacquescassini