| Primary satellite | Secondary satellite |
| Name | Transit 4A | Delta 198 |
| Spacetrack catalog number | 116 | 20763 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Jun 03 20:55 | 2023 Jun 03 03:51 |
| Time of closest approach (UTC) | 2023 Apr 06 01:30:40.517 |
| Minimum distance | 938.225 km |
| Height difference | -11.775 km |
| Relative speed | 9.633 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 14.2°S, 162.5°W |
| Height | 985 km |
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