| Primary satellite | Secondary satellite |
| Name | Cosmos 494 Rocket | deb Delta |
| Spacetrack catalog number | 6061 | 18475 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:26 | 2021 Jan 17 02:20 |
| Time of closest approach (UTC) | 2020 Dec 01 07:50:48.249 |
| Minimum distance | 45.562 km |
| Height difference | -6.747 km |
| Relative speed | 4.450 km/s |
| Angle between velocity vectors | 35° |
| Geographic position | 46.2°S, 15.9°E |
| Height | 765 km |
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