| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | DELTA 1 DEB |
| Spacetrack catalog number | 11 | 37648 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Mar 26 16:43 | 2023 Mar 26 16:25 |
| Time of closest approach (UTC) | 2023 Feb 08 11:46:18.650 |
| Minimum distance | 261.998 km |
| Height difference | 12.470 km |
| Relative speed | 8.543 km/s |
| Angle between velocity vectors | 67° |
| Geographic position | 8.9°S, 58.2°E |
| Height | 730 km |
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