| Primary satellite | Secondary satellite |
| Name | Oscar 11 | Cosmos 1953 Rocket |
| Spacetrack catalog number | 14781 | 19211 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Feb 06 12:09 | 2023 Feb 06 14:41 |
| Time of closest approach (UTC) | 2022 Dec 02 10:52:02.990 |
| Minimum distance | 3.324 km |
| Height difference | -2.511 km |
| Relative speed | 15.115 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 72.6°N, 72.7°W |
| Height | 624 km |
|