| Primary satellite | Secondary satellite |
| Name | Cosmos 1703 | GHGSAT-C8 |
| Spacetrack catalog number | 16262 | 56186 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 21 16:54 | 2023 Sep 22 03:58 |
| Time of closest approach (UTC) | 2023 Jun 14 06:28:25.516 |
| Minimum distance | 479.503 km |
| Height difference | 0.287 km |
| Relative speed | 15.058 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 72.8°S, 101.5°E |
| Height | 536 km |
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