| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | CZ-4C R/B |
| Spacetrack catalog number | 12792 | 39261 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 08 04:54 | 2021 Mar 07 22:00 |
| Time of closest approach (UTC) | 2021 Jan 26 15:33:49.278 |
| Minimum distance | 4.074 km |
| Height difference | 3.932 km |
| Relative speed | 7.848 km/s |
| Angle between velocity vectors | 63° |
| Geographic position | 65.5°N, 165.2°E |
| Height | 768 km |
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