| Primary satellite | Secondary satellite |
| Name | Cosmos 1271 Rocket | LEMUR 2 JOHNNYTRUONG |
| Spacetrack catalog number | 12465 | 59146 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jul 16 21:58 | 2025 Jul 16 21:38 |
| Time of closest approach (UTC) | 2024 Sep 19 06:17:09.986 |
| Minimum distance | 353.805 km |
| Height difference | -18.092 km |
| Relative speed | 15.270 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 9.8°N, 66.7°W |
| Height | 476 km |
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