| Primary satellite | Secondary satellite |
| Name | Cosmos 1400 Rocket | RISAT 1 |
| Spacetrack catalog number | 13403 | 38248 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 09 02:06 | 2021 Mar 09 00:20 |
| Time of closest approach (UTC) | 2021 Jan 16 05:45:55.793 |
| Minimum distance | 7.174 km |
| Height difference | -4.196 km |
| Relative speed | 15.189 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 8.1°S, 5.4°E |
| Height | 542 km |
|