| Primary satellite | Secondary satellite |
| Name | METEOR 2-7 DEB | Cosmos 1777 |
| Spacetrack catalog number | 43300 | 16952 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 18 01:03 | 2024 Dec 23 03:05 |
| Time of closest approach (UTC) | 2024 Dec 26 15:03:20.473 |
| Minimum distance | 3.540 km |
| Height difference | -1.525 km |
| Relative speed | 14.136 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 48.3°N, 85.6°E |
| Height | 793 km |
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