| Primary satellite | Secondary satellite |
| Name | NEMO-HD | CZ-2C R/B |
| Spacetrack catalog number | 46277 | 43521 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:09 | 2024 Dec 22 11:15 |
| Time of closest approach (UTC) | 2024 Dec 25 11:57:55.782 |
| Minimum distance | 0.797 km |
| Height difference | 0.228 km |
| Relative speed | 10.937 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 34.7°S, 39.9°W |
| Height | 484 km |
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