| Primary satellite | Secondary satellite |
| Name | IRAS Rocket | deb Delta 139 |
| Spacetrack catalog number | 13778 | 12825 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 03 10:35 | 2024 Dec 02 20:46 |
| Time of closest approach (UTC) | 2024 Nov 14 07:58:06.383 |
| Minimum distance | 16.046 km |
| Height difference | 0.128 km |
| Relative speed | 12.555 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 71.4°S, 150.0°E |
| Height | 897 km |
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