| Primary satellite | Secondary satellite |
| Name | Vanguard 2 | NOAA 16 DEB |
| Spacetrack catalog number | 11 | 41282 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 03 13:52 | 2021 Mar 03 08:11 |
| Time of closest approach (UTC) | 2021 Jan 22 02:09:56.085 |
| Minimum distance | 47.924 km |
| Height difference | -0.284 km |
| Relative speed | 12.011 km/s |
| Angle between velocity vectors | 104° |
| Geographic position | 32.8°N, 102.2°W |
| Height | 890 km |
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