Geographos
1620 Geographos is a highly elongated, stony asteroid, near-Earth object and potentially hazardous asteroid of the Apollo group, with a mean diameter of approximately 2.5 km (1.6 mi). It was discovered on 14 September 1951, by astronomers Albert George Wilson and Rudolph Minkowski at the Palomar Observatory in California, United States. The asteroid was named in honor of the National Geographic Society.
Apollo
위험
발견일: 1951-09-14
관측 횟수: 10,404
1620 Geographos is a highly elongated, stony asteroid, near-Earth object and potentially hazardous asteroid of the Apollo group, with a mean diameter of approximately 2.5 km (1.6 mi). It was discovered on 14 September 1951, by astronomers Albert George Wilson and Rudolph Minkowski at the Palomar Observatory in California, United States. The asteroid was named in honor of the National Geographic Society.
궤도 파라미터
반장축
1.246 AU
이심률
0.3355
근일점
0.828 AU
원일점
1.664033 AU
궤도 경사
13.34°
공전 주기
1.3908 yr
历元
2461200.5
평균 근점각
354.68°
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
2.56 km
반사율
0.29
밀도
— g/cm³
자전 주기
5.22204 h
절대 등급
15.27
궤도 품질
RMS
0.27576
상태 코드
0
궤도 ID
—