| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | SENTINEL 1A |
| Spacetrack catalog number | 11 | 39634 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 08 12:41 | 2024 Dec 08 19:14 |
| Time of closest approach (UTC) | 2024 Nov 13 16:00:57.822 |
| Minimum distance | 69.468 km |
| Height difference | 2.071 km |
| Relative speed | 13.899 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 15.5°N, 148.1°W |
| Height | 695 km |
|