| Primary satellite | Secondary satellite |
| Name | COMPASS 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 32787 | 35898 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 10:35 | 2023 Sep 21 20:43 |
| Time of closest approach (UTC) | 2023 Jun 10 23:18:10.555 |
| Minimum distance | 208.088 km |
| Height difference | 159.311 km |
| Relative speed | 15.011 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 4.6°S, 109.4°W |
| Height | 556 km |
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