(147703) Madras Main-belt Asteroid
Discovered on 10 April 2005 by M. W. Buie at Kitt Peak.
Bertha Kalifon Madras (b. 1942) is a native of Canada and professor of psychobiology at Harvard Medical School studying the neurobiology of therapeutic and addictive substances. She is a champion of science and a dedicated educator who has been an ardent supporter of young researchers in the study of asteroids and Pluto.Naming citation (WGSBN Bull. 5, #28, 13), IAU / Minor Planet Center, via NASA/JPL
Where Madras is today
Seen from above the solar system on 2026-10-14: Madras is 2.32 au from the Sun and 3.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 147703 |
| Provisional designation | 2005 GU203 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.46 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.84 – 2.74 au |
| Eccentricity | 0.196 |
| Inclination | 9.48° |
| Closest distance between its orbit and Earth's (MOID) | 0.835 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Bertha
All asteroids named after someone called Bertha
Also discovered on 10 April 2005
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- (161585) Danielhals
- (171153) Allanrahill
- (171171) Prior
- (189264) Gerardjeong
- (207319) Eugenemar
- (207321) Crawshaw
- (212215) Mallorykinczyk
- (215905) Andrewpoppe
- (218570) Jonvandegriff
- (518458) Roblambert