| Primary satellite | Secondary satellite |
| Name | Vanguard 2 Rocket | CARTOSAT 2B |
| Spacetrack catalog number | 12 | 36795 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Jun 19 00:56 | 2025 Jun 20 04:25 |
| Time of closest approach (UTC) | 2025 May 17 10:53:38.694 |
| Minimum distance | 655.413 km |
| Height difference | 21.175 km |
| Relative speed | 8.586 km/s |
| Angle between velocity vectors | 66° |
| Geographic position | 6.6°S, 29.5°W |
| Height | 624 km |
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