| Primary satellite | Secondary satellite |
| Name | NNS O-27 | deb Chang Zheng 4 |
| Spacetrack catalog number | 18361 | 20846 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 27 09:32 | 2023 Sep 26 04:00 |
| Time of closest approach (UTC) | 2023 Jun 13 16:45:08.563 |
| Minimum distance | 96.218 km |
| Height difference | 4.581 km |
| Relative speed | 14.423 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 19.9°S, 73.2°E |
| Height | 1139 km |
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