| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 30624 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 16:11 | 2021 Feb 25 10:37 |
| Time of closest approach (UTC) | 2021 Jan 26 14:08:53.534 |
| Minimum distance | 41.234 km |
| Height difference | 1.511 km |
| Relative speed | 12.747 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 66.6°S, 77.0°E |
| Height | 869 km |
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