| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | PEGASUS DEB |
| Spacetrack catalog number | 12203 | 39310 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:24 | 2024 Dec 22 08:56 |
| Time of closest approach (UTC) | 2024 Dec 30 00:44:58.618 |
| Minimum distance | 4.106 km |
| Height difference | 0.052 km |
| Relative speed | 14.561 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 81.3°S, 0.1°W |
| Height | 779 km |
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