Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2025 5 7.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2025   02:16:51   (  77.34, 147.18) 05/21/2025   02:17:56  (  77.29, 150.77)   87.59                65
 05/21/2025   03:07:32   ( -77.21, -44.87) 05/21/2025   03:08:40  ( -77.18, -42.39)   61.26                68