| Primary satellite | Secondary satellite |
| Name | SPROUT | CZ-4C DEB |
| Spacetrack catalog number | 39770 | 35251 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 12:53 | 2021 Feb 25 09:01 |
| Time of closest approach (UTC) | 2021 Jan 20 14:47:27.695 |
| Minimum distance | 40.605 km |
| Height difference | -1.664 km |
| Relative speed | 9.168 km/s |
| Angle between velocity vectors | 74° |
| Geographic position | 80.1°S, 157.9°W |
| Height | 628 km |
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