| Primary satellite | Secondary satellite |
| Name | Cosmos 1515 | KEPLER-14 (STELLA) |
| Spacetrack catalog number | 14551 | 47526 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Sep 17 22:11 | 2024 Sep 18 02:42 |
| Time of closest approach (UTC) | 2024 Aug 13 14:00:14.943 |
| Minimum distance | 332.997 km |
| Height difference | 6.315 km |
| Relative speed | 15.207 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 70.5°S, 120.3°E |
| Height | 472 km |
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