| Primary satellite | Secondary satellite |
| Name | Cosmos 1515 | PSLV DEB |
| Spacetrack catalog number | 14551 | 27538 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 22:24 | 2024 Sep 08 01:56 |
| Time of closest approach (UTC) | 2024 Aug 13 19:31:58.209 |
| Minimum distance | 5.680 km |
| Height difference | -5.580 km |
| Relative speed | 15.300 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 71.7°N, 141.5°W |
| Height | 461 km |
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