| Primary satellite | Secondary satellite |
| Name | AO-73 | deb Kosmos-374 |
| Spacetrack catalog number | 39444 | 4617 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:50 | 2024 Dec 22 21:28 |
| Time of closest approach (UTC) | 2024 Dec 25 09:15:05.508 |
| Minimum distance | 3.516 km |
| Height difference | 3.227 km |
| Relative speed | 11.989 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 63.0°S, 111.9°W |
| Height | 571 km |
|