| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | IRS-P3 Rocket |
| Spacetrack catalog number | 23088 | 23828 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 22:28 |
| Time of closest approach (UTC) | 2023 Jun 12 02:06:30.036 |
| Minimum distance | 654.521 km |
| Height difference | 1.487 km |
| Relative speed | 13.125 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 70.7°N, 160.8°E |
| Height | 852 km |
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