| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 12792 | 39641 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 04:54 | 2021 Mar 08 07:20 |
| Time of closest approach (UTC) | 2021 Jan 22 17:30:55.798 |
| Minimum distance | 12.610 km |
| Height difference | -0.715 km |
| Relative speed | 1.606 km/s |
| Angle between velocity vectors | 12° |
| Geographic position | 39.8°S, 94.6°E |
| Height | 788 km |
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