| Primary satellite | Secondary satellite |
| Name | TERCEL | FLOCK 4Q 4 |
| Spacetrack catalog number | 20547 | 58327 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:16 | 2024 Dec 23 03:23 |
| Time of closest approach (UTC) | 2024 Dec 24 05:41:36.682 |
| Minimum distance | 4.499 km |
| Height difference | 2.057 km |
| Relative speed | 13.622 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 76.9°S, 39.6°E |
| Height | 508 km |
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