| Primary satellite | Secondary satellite |
| Name | Kosmos-1636 | deb Delta 98 |
| Spacetrack catalog number | 15618 | 7183 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:19 | 2024 Dec 23 10:25 |
| Time of closest approach (UTC) | 2024 Dec 25 14:52:36.401 |
| Minimum distance | 2.824 km |
| Height difference | 1.123 km |
| Relative speed | 14.183 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 58.9°N, 1.8°E |
| Height | 1485 km |
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