| Primary satellite | Secondary satellite |
| Name | Delta 2 Rocket | deb REX |
| Spacetrack catalog number | 20453 | 21529 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 00:59 | 2023 Sep 21 16:45 |
| Time of closest approach (UTC) | 2023 Jun 13 17:10:37.253 |
| Minimum distance | 6704.483 km |
| Height difference | 8.254 km |
| Relative speed | 12.293 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 29.0°S, 59.3°E |
| Height | 745 km |
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