| Primary satellite | Secondary satellite |
| Name | XW-2D | TELEOS 1 |
| Spacetrack catalog number | 40907 | 41169 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Mar 07 20:04 | 2021 Mar 07 02:58 |
| Time of closest approach (UTC) | 2021 Jan 18 23:04:37.279 |
| Minimum distance | 178.389 km |
| Height difference | 3.746 km |
| Relative speed | 10.472 km/s |
| Angle between velocity vectors | 87° |
| Geographic position | 9.8°S, 97.0°E |
| Height | 529 km |
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