| Primary satellite | Secondary satellite |
| Name | Celestis-02/Orion 38 | IRS-1C Rocket |
| Spacetrack catalog number | 25160 | 23753 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:27 | 2024 Dec 23 03:12 |
| Time of closest approach (UTC) | 2024 Dec 25 22:11:41.494 |
| Minimum distance | 3.734 km |
| Height difference | -0.746 km |
| Relative speed | 10.733 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 69.6°S, 17.8°E |
| Height | 829 km |
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