| Primary satellite | Secondary satellite |
| Name | Cosmos 2251 Rocket | Orbcomm 19 |
| Spacetrack catalog number | 22676 | 25418 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Dec 05 00:00 | 2023 Dec 04 22:41 |
| Time of closest approach (UTC) | 2023 Sep 28 21:09:18.891 |
| Minimum distance | 599.081 km |
| Height difference | -3.451 km |
| Relative speed | 5.545 km/s |
| Angle between velocity vectors | 44° |
| Geographic position | 40.6°S, 173.7°E |
| Height | 794 km |
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