| Primary satellite | Secondary satellite |
| Name | IRS-1C Rocket | deb Agena D |
| Spacetrack catalog number | 23753 | 5149 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 15:42 | 2021 Apr 16 10:51 |
| Time of closest approach (UTC) | 2021 Mar 01 13:45:38.385 |
| Minimum distance | 13.096 km |
| Height difference | -2.778 km |
| Relative speed | 14.721 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 8.5°S, 82.2°E |
| Height | 806 km |
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