| Primary satellite | Secondary satellite |
| Name | Cosmos 2327 Rocket | deb NNS O-4 |
| Spacetrack catalog number | 23774 | 3592 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 13:10 | 2021 Apr 13 13:44 |
| Time of closest approach (UTC) | 2021 Mar 05 01:52:31.208 |
| Minimum distance | 15.763 km |
| Height difference | -0.926 km |
| Relative speed | 13.344 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 80.7°S, 115.7°E |
| Height | 1016 km |
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