| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | Cosmos 841 |
| Spacetrack catalog number | 12792 | 9022 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 08 04:54 | 2021 Mar 07 21:12 |
| Time of closest approach (UTC) | 2021 Jan 21 06:41:21.997 |
| Minimum distance | 2.451 km |
| Height difference | -1.816 km |
| Relative speed | 14.351 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 11.1°N, 82.0°W |
| Height | 767 km |
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