| Primary satellite | Secondary satellite |
| Name | Cosmos 1812 | OBJECT C |
| Spacetrack catalog number | 17295 | 43664 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 Jul 04 21:32 | 2022 Jul 04 20:36 |
| Time of closest approach (UTC) | 2022 May 28 10:06:12.216 |
| Minimum distance | 285.484 km |
| Height difference | -1.572 km |
| Relative speed | 2.206 km/s |
| Angle between velocity vectors | 17° |
| Geographic position | 26.9°S, 48.4°W |
| Height | 524 km |
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