| Primary satellite | Secondary satellite |
| Name | SRMSAT | Star 26B S/N 005? |
| Spacetrack catalog number | 37841 | 5904 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 18 21:58 | 2026 Jan 18 22:20 |
| Time of closest approach (UTC) | 2025 Dec 18 09:30:21.976 |
| Minimum distance | 6.940 km |
| Height difference | -1.887 km |
| Relative speed | 11.011 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 19.7°N, 77.8°W |
| Height | 848 km |
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