| Primary satellite | Secondary satellite |
| Name | Transit 4A | S3M |
| Spacetrack catalog number | 116 | 12508 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 May 31 22:13 | 2023 May 31 20:58 |
| Time of closest approach (UTC) | 2023 Apr 05 11:22:51.276 |
| Minimum distance | 10.927 km |
| Height difference | 1.826 km |
| Relative speed | 13.576 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 47.8°N, 17.3°E |
| Height | 956 km |
|