| Primary satellite | Secondary satellite |
| Name | Cosmos 2151 Rocket | LINGQIAO VIDEO B |
| Spacetrack catalog number | 21423 | 40960 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 19 16:56 | 2021 Jan 19 18:30 |
| Time of closest approach (UTC) | 2020 Dec 03 05:16:04.366 |
| Minimum distance | 2.076 km |
| Height difference | 0.206 km |
| Relative speed | 15.039 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 78.2°S, 73.7°W |
| Height | 669 km |
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