| Primary satellite | Secondary satellite |
| Name | Cosmos 1603 | deb Kosmos-2237 |
| Spacetrack catalog number | 15333 | 22613 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 14 10:24 | 2025 May 14 23:24 |
| Time of closest approach (UTC) | 2025 May 02 00:25:42.006 |
| Minimum distance | 4.051 km |
| Height difference | 2.600 km |
| Relative speed | 14.012 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 21.3°N, 135.2°E |
| Height | 834 km |
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