Bennu
101955 Bennu (provisional designation 1999 RQ36) is a carbonaceous asteroid in the Apollo group, discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the second highest cumulative rating on the Palermo scale. It has a cumulative chance of around 1 in 1,750 of impacting Earth between 2178 and 2290 with the greatest risk being on 24 September 2182. It is named after Bennu, the ancient Egyptian mythological bird associated with the Sun, creation, and rebirth.
Apollo
خطرة
تم اكتشافها: 1999-09-11
الملاحظات: 554
101955 Bennu (provisional designation 1999 RQ36) is a carbonaceous asteroid in the Apollo group, discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the second highest cumulative rating on the Palermo scale. It has a cumulative chance of around 1 in 1,750 of impacting Earth between 2178 and 2290 with the greatest risk being on 24 September 2182. It is named after Bennu, the ancient Egyptian mythological bird associated with the Sun, creation, and rebirth.
المعلمات المدارية
نصف المحور الرئيسي
1.126 AU
الانحراف المركزي
0.2037
الأوج
0.897 AU
الحضيض
1.355366 AU
الميل
6.03°
الدورة المدارية
1.1964 yr
العصر
2455562.5
اللانوية المتوسطة
101.7°
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
0.48444 km
البياض
0.044
الكثافة
1.194 g/cm³
دورة الدوران
4.296061 h
المقدار المطلق
20.21
جودة المدار
RMS
0.29146
رمز الحالة
0
معرف المدار
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