| Primary satellite | Secondary satellite |
Name | Vanguard 2 | deb Delta 139 |
Spacetrack catalog number | 11 | 12257 |
Radar cross section | medium | small |
Epoch of two-line elements (UTC) | 2024 Dec 08 12:41 | 2024 Dec 08 13:44 |
Time of closest approach (UTC) | 2024 Nov 12 09:22:10.256 |
Minimum distance | 55.042 km |
Height difference | 3.685 km |
Relative speed | 12.825 km/s |
Angle between velocity vectors | 116° |
Geographic position | 29.3°S, 127.5°W |
Height | 929 km |
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