| Primary satellite | Secondary satellite |
| Name | Cosmos 968 Rocket | Cosmos 1777 |
| Spacetrack catalog number | 10521 | 16952 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Jun 15 13:05 | 2025 Jun 15 16:33 |
| Time of closest approach (UTC) | 2025 May 26 22:44:42.526 |
| Minimum distance | 5.881 km |
| Height difference | -4.360 km |
| Relative speed | 14.360 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 8.1°N, 112.7°W |
| Height | 767 km |
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