Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2022 12 23.  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)
 12/23/2022   02:26:55   (  74.07, 139.78) 12/23/2022   02:25:44  (  74.08, 138.48)   39.88                71
 12/23/2022   03:17:37   ( -73.93, -52.57) 12/23/2022   03:16:28  ( -73.91, -54.60)   62.77                69