| Primary satellite | Secondary satellite |
| Name | S-56A Canister/Altair | Cosmos 1140 |
| Spacetrack catalog number | 82 | 11573 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Mar 26 07:29 | 2023 Mar 26 22:32 |
| Time of closest approach (UTC) | 2023 Feb 07 21:33:08.381 |
| Minimum distance | 6.357 km |
| Height difference | -0.285 km |
| Relative speed | 8.101 km/s |
| Angle between velocity vectors | 64° |
| Geographic position | 38.7°N, 138.2°W |
| Height | 771 km |
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