| Primary satellite | Secondary satellite |
| Name | Tiros 1 despin weight | COSMOS 2538 |
| Spacetrack catalog number | 115 | 44424 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 20 11:15 | 2023 Sep 21 09:55 |
| Time of closest approach (UTC) | 2022 Aug 12 01:56:44.135 |
| Minimum distance | 4164.454 km |
| Height difference | -89.114 km |
| Relative speed | 15.060 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 42.6°S, 49.8°E |
| Height | 665 km |
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