| Primary satellite | Secondary satellite |
| Name | IRIDIUM 114 | COSMOS 2251 DEB |
| Spacetrack catalog number | 41923 | 35777 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 04:15 | 2023 Sep 28 16:54 |
| Time of closest approach (UTC) | 2023 Jun 01 21:34:01.604 |
| Minimum distance | 409.277 km |
| Height difference | -8.291 km |
| Relative speed | 14.765 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 28.4°N, 157.3°E |
| Height | 780 km |
|