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
الملاحظات: 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.
المعلمات المدارية
نصف المحور الرئيسي
1.123 AU
الانحراف المركزي
0.2139
الأوج
0.883 AU
الحضيض
1.36321 AU
الميل
26.07°
الدورة المدارية
— yr
العصر
2461200.5
اللانوية المتوسطة
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.
المعلمات الفيزيائية
القطر
1.9 km
البياض
0.09
الكثافة
— g/cm³
دورة الدوران
— h
المقدار المطلق
17.31
جودة المدار
RMS
0.47326
رمز الحالة
0
معرف المدار
—