(30091) Stephenbrown Main-belt Asteroid
Discovered on 11 March 2000 by LONEOS at Anderson Mesa.
Stephen W. Brown (b. 1943) is a trustee of the Lowell Observatory Foundation. He is the Emeritus Edward M. Carson Chair and Professor of Marketing at Arizona State University and Strategic Partner with The Insight Group. He has served in leadership roles with many non-profit boards, including being the President of the American Marketing Association.Naming citation (WGSBN Bull. 2, #6, 5), IAU / Minor Planet Center, via NASA/JPL
Where Stephenbrown is today
Seen from above the solar system on 2026-10-14: Stephenbrown is 2.18 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30091 |
| Provisional designation | 2000 EY130 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.88 km (#17,168 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.381 |
| Absolute magnitude (H) | 15.72 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.90 – 2.54 au |
| Eccentricity | 0.145 |
| Inclination | 2.01° |
| Closest distance between its orbit and Earth's (MOID) | 0.880 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Stephen
- (5190) Fry
- (5191) Paddack
- (5292) Mackwell
- (5657) Groombridge
- (7336) Saunders
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- (8373) Stephengould
- (9768) Stephenmaran
- (9891) Stephensmith
- (10287) Smale
- (10315) Brewster
- (12984) Lowry
All asteroids named after someone called Stephen
Also discovered on 11 March 2000
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- (15147) Siegfried
- (16231) Jessberger
- (17241) Wooden
- (17242) Leslieyoung
- (25851) Browning
- (26587) Arthurstorbo
- (26588) Sharonstorbo
- (27399) Gehring
- (27400) Mikewong
- (27407) Haodo
- (27408) Kellyferguson