| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | CELESTIS 17/SHERPA-FX1 |
| Spacetrack catalog number | 13121 | 47486 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 17:29 |
| Time of closest approach (UTC) | 2023 Jan 31 05:35:51.740 |
| Minimum distance | 60.613 km |
| Height difference | 7.842 km |
| Relative speed | 15.150 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 75.9°N, 154.2°W |
| Height | 536 km |
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