(201777) Deronda Main-belt Asteroid
Discovered on 24 November 2003 by J. W. Young at Wrightwood.
Deronda Mayes (b. 1957), the assistant astronomer at Table Mountain Observatory, is responsible for the operation of the 0.4-meter telescope. She is in charge of observatory procurement needs, as well as all annual telescope operational safety reviews, along with TMO property accountability.Naming citation (20090607/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Deronda is today
Seen from above the solar system on 2026-10-14: Deronda is 3.59 au from the Sun and 4.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 201777 |
| Provisional designation | 2003 WE98 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.25 km (#12,146 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0740 |
| Absolute magnitude (H) | 15.53 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.18 – 4.04 au |
| Eccentricity | 0.300 |
| Inclination | 20.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.