| Primary satellite | Secondary satellite |
| Name | SL-14 DEB | COBE dewar cap |
| Spacetrack catalog number | 39976 | 20328 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 10:00 | 2024 Dec 23 00:09 |
| Time of closest approach (UTC) | 2024 Dec 29 03:21:10.283 |
| Minimum distance | 3.501 km |
| Height difference | -2.839 km |
| Relative speed | 13.426 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 80.8°N, 142.5°E |
| Height | 893 km |
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