| Primary satellite | Secondary satellite |
| Name | Cosmos 2297 | DELTA 1 DEB |
| Spacetrack catalog number | 23404 | 37643 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 15 15:05 | 2021 Apr 14 19:01 |
| Time of closest approach (UTC) | 2021 Mar 07 04:37:55.060 |
| Minimum distance | 13.540 km |
| Height difference | -2.099 km |
| Relative speed | 11.090 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 69.9°S, 17.1°W |
| Height | 862 km |
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