| Primary satellite | Secondary satellite |
| Name | BRO-15 | OBJECT J |
| Spacetrack catalog number | 60553 | 61743 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:06 | 2024 Dec 23 05:24 |
| Time of closest approach (UTC) | 2024 Dec 28 02:30:39.938 |
| Minimum distance | 4.257 km |
| Height difference | 1.076 km |
| Relative speed | 14.386 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 64.3°S, 105.5°E |
| Height | 615 km |
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