(27861) Sudachikako Main-belt Asteroid
Discovered on 28 January 1995 by Endate, K., Watanabe, K. at Kitami.
Chikako Suda (b. 1949 ) is a Japanese amateur astronomer and a member of the Japanese Meteor Society. On 1967 November 18, she witnessed a daytime meteor shower from Ishinomaki, Miyagi, Japan, at about 2:50 P.M. that lasted about 30 minutes. The event is recorded in the bulletins and astronomical documents of Japanese meteor observing organizations.Naming citation (WGSBN Bull. 4, #7, 8), IAU / Minor Planet Center, via NASA/JPL
Where Sudachikako is today
Seen from above the solar system on 2026-10-14: Sudachikako is 2.53 au from the Sun and 1.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27861 |
| Provisional designation | 1995 BL4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.73 km (#9,334 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.257 |
| Rotation period | 28.3 hours |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.15 – 3.01 au |
| Eccentricity | 0.168 |
| Inclination | 12.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.