| Primary satellite | Secondary satellite |
| Name | Milstar 3 Cent rocket | BREEZE-KM R/B |
| Spacetrack catalog number | 25725 | 41336 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 15 20:18 | 2021 Jan 16 09:30 |
| Time of closest approach (UTC) | 2020 Dec 03 09:34:12.045 |
| Minimum distance | 178.297 km |
| Height difference | -3.435 km |
| Relative speed | 13.251 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 24.8°N, 120.3°W |
| Height | 728 km |
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