| Primary satellite | Secondary satellite |
| Name | H-2A R/B | Orbcomm D5 (FM33) |
| Spacetrack catalog number | 27601 | 25983 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 13 05:29 | 2021 Apr 13 04:10 |
| Time of closest approach (UTC) | 2021 Mar 08 10:54:12.815 |
| Minimum distance | 7.074 km |
| Height difference | -3.889 km |
| Relative speed | 11.075 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 44.8°N, 46.5°W |
| Height | 779 km |
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