| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | NOSS 2-1 (D) |
| Spacetrack catalog number | 28480 | 20692 |
| Radar cross section | large | |
| Epoch of two-line elements (UTC) | 2021 Apr 14 13:36 | 2021 Apr 02 02:52 |
| Time of closest approach (UTC) | 2021 Mar 06 00:01:21.396 |
| Minimum distance | 11.341 km |
| Height difference | 7.493 km |
| Relative speed | 15.023 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 7.8°S, 99.9°E |
| Height | 712 km |
|