(11099) Sonodamasaki Main-belt Asteroid
Discovered on 20 April 1995 by Endate, K., Watanabe, K. at Kitami.
Masaki Sonoda (b. 1954), an associate president of the Saga Astronomical Society since 1989, is active in organizing local star parties and is a volunteer member of the Saga City Observatory.Naming citation (20020526/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sonodamasaki is today
Seen from above the solar system on 2026-10-14: Sonodamasaki is 2.86 au from the Sun and 2.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11099 |
| Provisional designation | 1995 HL |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.54 km (#5,392 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0390 |
| Rotation period | 7.24 hours |
| Absolute magnitude (H) | 13.72 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.85 – 2.90 au |
| Eccentricity | 0.222 |
| Inclination | 9.98° |
| Closest distance between its orbit and Earth's (MOID) | 0.862 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 April 1995
More named asteroids discovered by Endate, K., Watanabe, K.
- (4042) Okhotsk
- (4126) Mashu
- (4460) Bihoro
- (4491) Otaru
- (4497) Taguchi
- (4508) Takatsuki
- (4547) Massachusetts
- (4585) Ainonai
- (4607) Seilandfarm
- (4641) Ayako
- (4712) Iwaizumi
- (4773) Hayakawa
← (11098) Ginsberg · (11100) Lai →