| Primary satellite | Secondary satellite |
| Name | Cosmos 1500 Rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 14373 | 40510 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 20:13 | 2021 Apr 17 04:36 |
| Time of closest approach (UTC) | 2021 Mar 09 14:34:44.498 |
| Minimum distance | 15.037 km |
| Height difference | 4.570 km |
| Relative speed | 15.136 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 66.4°N, 43.2°E |
| Height | 616 km |
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