| Primary satellite | Secondary satellite |
| Name | IRIDIUM 174 | PSLV R/B |
| Spacetrack catalog number | 56728 | 38757 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:59 | 2024 Dec 23 08:53 |
| Time of closest approach (UTC) | 2024 Dec 24 04:47:23.140 |
| Minimum distance | 4.128 km |
| Height difference | -0.167 km |
| Relative speed | 6.984 km/s |
| Angle between velocity vectors | 55° |
| Geographic position | 76.7°N, 136.0°W |
| Height | 640 km |
|