| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 18986 | 18276 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:21 | 2021 Jan 22 20:16 |
| Time of closest approach (UTC) | 2020 Dec 07 12:50:30.982 |
| Minimum distance | 2.998 km |
| Height difference | 0.243 km |
| Relative speed | 14.602 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 22.3°N, 87.0°E |
| Height | 975 km |
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