| 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 07 22:24 | 2024 Sep 07 16:48 |
| Time of closest approach (UTC) | 2024 Aug 13 12:29:35.924 |
| Minimum distance | 379.109 km |
| Height difference | 5.865 km |
| Relative speed | 15.212 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 67.8°S, 140.1°E |
| Height | 471 km |
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