| Primary satellite | Secondary satellite |
| Name | IRAS Rocket | deb r/b Ablestar |
| Spacetrack catalog number | 13778 | 128 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Dec 11 02:03 | 2025 Dec 11 06:41 |
| Time of closest approach (UTC) | 2024 Nov 17 22:36:33.992 |
| Minimum distance | 270.832 km |
| Height difference | 6.309 km |
| Relative speed | 12.656 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 68.6°S, 52.6°E |
| Height | 901 km |
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