28P/Neujmin 1
28P/Neujmin 1（彗星）。太陽系の 3D マップで大きさ、軌道、リアルタイムの位置を確認できます。 28P/Neujmin, also known as Neujmin 1, is a large 21-km periodic comet that orbits the Sun once every 18 years.
28P/Neujmin, also known as Neujmin 1, is a large 21-km periodic comet that orbits the Sun once every 18 years. With a perihelion distance of 1.6 AU (240 million km), this comet does not get closer than about 0.571 AU (85.4 million km) from Earth.
- 種類: 彗星
- 直径: 21 km
- 軌道周期: 18.4 年
- 離心率: 0.774