| Primary satellite | Secondary satellite |
| Name | S3M | Cosmos 1244 Rocket |
| Spacetrack catalog number | 12508 | 12298 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Apr 28 21:39 | 2025 Apr 28 22:48 |
| Time of closest approach (UTC) | 2024 Jun 17 01:58:47.676 |
| Minimum distance | 261.547 km |
| Height difference | 0.840 km |
| Relative speed | 14.596 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 0.4°N, 113.3°E |
| Height | 987 km |
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