Cacus
161989 Cacus is a stony asteroid, classified as a near-Earth object and a potentially hazardous asteroid of the Apollo group, approximately 1 kilometer in diameter. It was discovered on 8 February 1978, by German astronomer Hans-Emil Schuster at ESO's La Silla Observatory in northern Chile. Its orbit is confined between Venus and Mars.
Apollo
관측 횟수: 1,798
161989 Cacus is a stony asteroid, classified as a near-Earth object and a potentially hazardous asteroid of the Apollo group, approximately 1 kilometer in diameter. It was discovered on 8 February 1978, by German astronomer Hans-Emil Schuster at ESO's La Silla Observatory in northern Chile. Its orbit is confined between Venus and Mars.
궤도 파라미터
반장축
1.123 AU
이심률
0.2139
근일점
0.883 AU
원일점
1.36321 AU
궤도 경사
26.07°
공전 주기
— yr
历元
2461200.5
평균 근점각
115.93°
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.
물리적 파라미터
직경
1.9 km
반사율
0.09
밀도
— g/cm³
자전 주기
— h
절대 등급
17.31
궤도 품질
RMS
0.47326
상태 코드
0
궤도 ID
—