| Primary satellite | Secondary satellite |
| Name | IRAS Rocket | COSMOS 1275 DEB |
| Spacetrack catalog number | 13778 | 27734 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 04 20:50 | 2022 Jul 05 02:34 |
| Time of closest approach (UTC) | 2022 May 29 17:03:04.100 |
| Minimum distance | 74.476 km |
| Height difference | 3.214 km |
| Relative speed | 10.885 km/s |
| Angle between velocity vectors | 94° |
| Geographic position | 78.0°S, 77.6°W |
| Height | 881 km |
|