| Primary satellite | Secondary satellite |
| Name | Meteor 1-15 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 6660 | 15780 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 19:30 | 2021 Jan 17 08:36 |
| Time of closest approach (UTC) | 2020 Dec 03 16:20:20.378 |
| Minimum distance | 21.081 km |
| Height difference | -6.124 km |
| Relative speed | 14.424 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 49.9°S, 108.1°W |
| Height | 927 km |
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