| Primary satellite | Secondary satellite |
| Name | Sunsat (SO-35) | COSMOS 1275 DEB |
| Spacetrack catalog number | 25636 | 42142 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Sep 24 04:41 | 2023 Sep 16 16:13 |
| Time of closest approach (UTC) | 2023 Jun 14 17:38:29.403 |
| Minimum distance | 194.020 km |
| Height difference | 38.310 km |
| Relative speed | 15.090 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 28.5°S, 65.3°W |
| Height | 652 km |
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