| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | deb Delta 89 |
| Spacetrack catalog number | 37638 | 7957 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 11:03 | 2024 Dec 23 06:42 |
| Time of closest approach (UTC) | 2024 Dec 27 18:34:09.153 |
| Minimum distance | 3.327 km |
| Height difference | 2.277 km |
| Relative speed | 1.809 km/s |
| Angle between velocity vectors | 14° |
| Geographic position | 81.1°N, 143.6°E |
| Height | 854 km |
|