| Primary satellite | Secondary satellite |
| Name | Cosmos 1500 Rocket | RESURS O1 DEB |
| Spacetrack catalog number | 14373 | 47201 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 20:13 | 2021 Apr 16 01:54 |
| Time of closest approach (UTC) | 2021 Mar 08 16:47:08.483 |
| Minimum distance | 292.748 km |
| Height difference | -5.232 km |
| Relative speed | 8.404 km/s |
| Angle between velocity vectors | 68° |
| Geographic position | 77.4°S, 149.9°W |
| Height | 657 km |
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