Hug-Bell
178P/Hug–Bell is a Jupiter-family comet with a 6.9-year orbit around the Sun. It was discovered by Northeast Kansas Amateur Astronomers' League members Gary Hug and Graham Bell and is thought to be the first periodic comet to be discovered by amateurs. It was declared a comet less than two days after its initial discovery, after having its course confirmed on previous images.
comet
觀測次數: 769
178P/Hug–Bell is a Jupiter-family comet with a 6.9-year orbit around the Sun. It was discovered by Northeast Kansas Amateur Astronomers' League members Gary Hug and Graham Bell and is thought to be the first periodic comet to be discovered by amateurs. It was declared a comet less than two days after its initial discovery, after having its course confirmed on previous images.
軌道參數
半長軸
3.651 AU
離心率
0.4787
近日點
1.904 AU
遠日點
5.398734 AU
軌道傾角
11.01°
軌道週期
— yr
歷元
2458099.5
平近點角
225.97°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
物理參數
直徑
— km
反照率
—
密度
— g/cm³
自轉週期
— h
絕對星等
—
軌道質量
RMS
0.61987
狀態碼
0
軌道ID
—
