| Primary satellite | Secondary satellite |
| Name | UNAMSat | Nimbus 7 Rocket |
| Spacetrack catalog number | 24305 | 11081 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Feb 25 12:21 | 2021 Feb 25 11:54 |
| Time of closest approach (UTC) | 2021 Jan 17 20:04:25.410 |
| Minimum distance | 5.443 km |
| Height difference | -1.717 km |
| Relative speed | 14.721 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 27.6°S, 40.6°E |
| Height | 976 km |
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