| Primary satellite | Secondary satellite |
| Name | HAIYANG 4A | DEIMOS 1 |
| Spacetrack catalog number | 61936 | 35681 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:05 | 2024 Dec 23 11:56 |
| Time of closest approach (UTC) | 2024 Dec 28 08:14:53.238 |
| Minimum distance | 3.074 km |
| Height difference | -3.035 km |
| Relative speed | 14.843 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 38.0°N, 140.1°E |
| Height | 655 km |
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