| Primary satellite | Secondary satellite |
| Name | Transit 2A | deb NNS O-9 |
| Spacetrack catalog number | 45 | 2644 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Dec 04 19:51 | 2025 Dec 03 03:58 |
| Time of closest approach (UTC) | 2025 Nov 12 00:25:48.071 |
| Minimum distance | 5.748 km |
| Height difference | -5.316 km |
| Relative speed | 14.530 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 16.1°S, 16.2°W |
| Height | 865 km |
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