Cardea
164207 Cardea (provisional designation 2004 GU9) is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group. It is a quasi-satellite of Earth, a situation that should persist until around 2600, when it is expected to shift to a regular horseshoe orbit for a few thousand years.
Apollo
الملاحظات: 367
164207 Cardea (provisional designation 2004 GU9) is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group. It is a quasi-satellite of Earth, a situation that should persist until around 2600, when it is expected to shift to a regular horseshoe orbit for a few thousand years.
المعلمات المدارية
نصف المحور الرئيسي
1.001 AU
الانحراف المركزي
0.136
الأوج
0.865 AU
الحضيض
1.137136 AU
الميل
13.65°
الدورة المدارية
— yr
العصر
2461200.5
اللانوية المتوسطة
294.17°
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
0.163 km
البياض
0.219
الكثافة
— g/cm³
دورة الدوران
— h
المقدار المطلق
21.19
جودة المدار
RMS
0.54103
رمز الحالة
0
معرف المدار
—