(25867) DeMuth Main-belt Asteroid
Discovered on 26 April 2000 by LONEOS at Anderson Mesa.
Mary DeMuth (b. 1954) has worked at Lowell Observatory since 2001, starting as the Observatory's front office receptionist, then in Public Programs as an educator, then in scheduling and now as Volunteer Coordinator.Naming citation (MPC batch dated 2018-03-31), IAU / Minor Planet Center, via NASA/JPL
Where DeMuth is today
Seen from above the solar system on 2026-10-14: DeMuth is 2.56 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25867 |
| Provisional designation | 2000 HK66 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.67 km (#15,924 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.272 |
| Absolute magnitude (H) | 15.26 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.89 – 2.59 au |
| Eccentricity | 0.156 |
| Inclination | 0.880° |
| Closest distance between its orbit and Earth's (MOID) | 0.899 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mary
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- (10870) Gwendolen
- (11369) Brazelton
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- (12627) Maryedwards
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All asteroids named after someone called Mary
Also discovered on 26 April 2000
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- (16250) Delbo
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- (27529) Rhiannonmayne
- (27530) Daveshuck
- (27531) Sweaton
- (27532) Buchwald-Wright
- (27533) Johnbrucato
- (28794) Crowley
- (28795) Alexelbert
More named asteroids discovered by LONEOS
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- (10937) Ferris
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- (11187) Richoliver
- (11202) Teddunham
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← (25864) Banic · (25869) Jacoby →