| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | deb Kosmos-1275 |
| Spacetrack catalog number | 31114 | 17640 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 23 09:50 | 2023 Mar 22 15:46 |
| Time of closest approach (UTC) | 2023 Feb 03 21:16:21.122 |
| Minimum distance | 155.129 km |
| Height difference | -1.022 km |
| Relative speed | 8.017 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 76.3°S, 140.7°E |
| Height | 834 km |
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