| Primary satellite | Secondary satellite |
| Name | SPROUT | COSMOS 2251 DEB |
| Spacetrack catalog number | 39770 | 35703 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Jun 29 14:18 | 2022 Jun 29 05:05 |
| Time of closest approach (UTC) | 2022 May 19 10:57:09.047 |
| Minimum distance | 17.096 km |
| Height difference | -0.139 km |
| Relative speed | 15.104 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 15.9°N, 147.4°W |
| Height | 606 km |
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