| Primary satellite | Secondary satellite |
| Name | Vanguard 1 Rocket | deb NNS O-2 |
| Spacetrack catalog number | 16 | 1608 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Nov 27 18:24 | 2023 Nov 27 15:13 |
| Time of closest approach (UTC) | 2022 Oct 02 00:36:32.348 |
| Minimum distance | 3616.624 km |
| Height difference | 276.960 km |
| Relative speed | 14.169 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 1.5°N, 56.0°E |
| Height | 678 km |
|