| Primary satellite | Secondary satellite |
| Name | YUBILEINY | NOAA 4 Del Deb |
| Spacetrack catalog number | 32953 | 8311 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 May 14 05:54 | 2025 May 13 19:51 |
| Time of closest approach (UTC) | 2025 Apr 30 09:18:27.720 |
| Minimum distance | 4.669 km |
| Height difference | 3.566 km |
| Relative speed | 14.049 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 70.2°S, 127.3°W |
| Height | 1534 km |
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