| Primary satellite | Secondary satellite |
| Name | ARTHUR-1 | COSMOS 1408 DEB |
| Spacetrack catalog number | 48953 | 50316 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 May 25 02:40 | 2022 May 24 17:53 |
| Time of closest approach (UTC) | 2022 Feb 01 20:53:07.586 |
| Minimum distance | 668.348 km |
| Height difference | 0.951 km |
| Relative speed | 13.127 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 77.7°S, 138.2°W |
| Height | 542 km |
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