| Primary satellite | Secondary satellite |
| Name | NANOSAT-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 28493 | 38196 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 21:33 | 2023 Sep 21 15:42 |
| Time of closest approach (UTC) | 2023 Jun 15 21:29:51.454 |
| Minimum distance | 838.127 km |
| Height difference | 83.295 km |
| Relative speed | 14.972 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 11.7°S, 134.8°W |
| Height | 647 km |
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