| Primary satellite | Secondary satellite |
| Name | SPOT 3 Rocket | Orbcomm 21 |
| Spacetrack catalog number | 22830 | 25475 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 22 20:30 | 2021 Jan 23 01:56 |
| Time of closest approach (UTC) | 2020 Nov 28 02:33:07.010 |
| Minimum distance | 6.149 km |
| Height difference | -3.489 km |
| Relative speed | 14.004 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 23.1°N, 101.7°E |
| Height | 784 km |
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