| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | Mublcom |
| Spacetrack catalog number | 47 | 25736 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 14 21:07 | 2021 Jan 15 11:48 |
| Time of closest approach (UTC) | 2020 Nov 30 05:29:08.066 |
| Minimum distance | 28.580 km |
| Height difference | -3.798 km |
| Relative speed | 12.468 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 66.7°S, 173.2°W |
| Height | 759 km |
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