| Primary satellite | Secondary satellite |
| Name | Transit 4A | deb Kosmos-1241 |
| Spacetrack catalog number | 116 | 12151 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 08 11:07 | 2024 Dec 08 09:36 |
| Time of closest approach (UTC) | 2024 Nov 07 23:08:12.765 |
| Minimum distance | 2.091 km |
| Height difference | -0.296 km |
| Relative speed | 13.387 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 14.2°N, 24.2°E |
| Height | 977 km |
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