| Primary satellite | Secondary satellite |
| Name | Transit 4A | NOSS 0 Rocket |
| Spacetrack catalog number | 116 | 5679 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 May 14 01:44 | 2025 May 13 09:04 |
| Time of closest approach (UTC) | 2025 Apr 23 01:00:08.107 |
| Minimum distance | 3.057 km |
| Height difference | 2.637 km |
| Relative speed | 4.312 km/s |
| Angle between velocity vectors | 34° |
| Geographic position | 66.9°N, 58.0°E |
| Height | 963 km |
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