| Primary satellite | Secondary satellite |
| Name | NOSS 3-3 (C) | NOAA 16 DEB |
| Spacetrack catalog number | 28541 | 41138 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Apr 15 02:36 | 2021 Apr 16 10:33 |
| Time of closest approach (UTC) | 2021 Mar 03 16:01:05.197 |
| Minimum distance | 29.784 km |
| Height difference | -0.293 km |
| Relative speed | 14.791 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 21.0°S, 82.6°W |
| Height | 840 km |
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