| Primary satellite | Secondary satellite |
| Name | Vanguard 1 Rocket | deb Delta 98 |
| Spacetrack catalog number | 16 | 13524 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Mar 26 18:31 | 2023 Mar 26 06:39 |
| Time of closest approach (UTC) | 2023 Feb 10 21:07:17.975 |
| Minimum distance | 11.474 km |
| Height difference | -2.878 km |
| Relative speed | 10.490 km/s |
| Angle between velocity vectors | 91° |
| Geographic position | 31.8°N, 154.4°W |
| Height | 1472 km |
|