| Primary satellite | Secondary satellite |
| Name | Cosmos 1300 Rocket | SJ-16 |
| Spacetrack catalog number | 12786 | 39358 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 19 16:15 | 2021 Jan 19 18:37 |
| Time of closest approach (UTC) | 2020 Dec 06 05:53:46.081 |
| Minimum distance | 23.300 km |
| Height difference | 1.486 km |
| Relative speed | 2.551 km/s |
| Angle between velocity vectors | 20° |
| Geographic position | 64.7°S, 115.3°W |
| Height | 648 km |
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