| Primary satellite | Secondary satellite |
| Name | Cosmos 1271 Rocket | VSP RF C1 |
| Spacetrack catalog number | 12465 | 59136 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Oct 04 11:49 | 2024 Oct 04 12:59 |
| Time of closest approach (UTC) | 2024 Sep 19 20:32:53.950 |
| Minimum distance | 3.371 km |
| Height difference | -0.243 km |
| Relative speed | 15.213 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 26.1°S, 82.9°E |
| Height | 508 km |
|