Squannit (moon)
Radar of Moshup and Squannit taken at Arecibo Observatory in May 2019 | |
| Discovery | |
|---|---|
| Discovered by | Petr Pravec Lenka Kotková Lance A. M. Benner Steven J. Ostro Jon D. Giorgini Raymond F. Jurgens Jean-Luc Margot Michael C. Nolan |
| Discovery date | May 21, 2001 |
| Orbital characteristics | |
| Periapsis | 2,547 m |
| Apoapsis | 2,549 m |
| Satellite of | 66391 Moshup |
| Physical characteristics | |
| 0.451 ± 0.027 km | |
| Mass | (1.35±0.24)×1011 kg |
Mean density | 2.8 g/cm3 |
| 0.7259 ± 0.0015 d | |
Squannit (officially (66391) Moshup I Squannit, formerly sometimes 1999 KW4 Beta) is a moon of the near-Earth asteroid 66391 Moshup. Its estimated diameter is about 450 meters. The moon and its parent asteroid are the closest known binary system to the Sun.