| Primary satellite | Secondary satellite |
| Name | AO-91 | KEPLER-9 (ARTEMIS) |
| Spacetrack catalog number | 43017 | 47531 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2023 Jan 26 14:39 | 2023 Jan 26 09:03 |
| Time of closest approach (UTC) | 2022 Dec 05 14:28:15.068 |
| Minimum distance | 439.862 km |
| Height difference | 27.261 km |
| Relative speed | 15.096 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 26.6°N, 68.5°W |
| Height | 492 km |
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