Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2020 10 4.  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)
 10/17/2020   20:49:30   (  73.68,-140.90) 10/17/2020   20:50:38  (  73.65,-138.68)   69.47                68
 10/17/2020   21:40:13   ( -73.64,  26.50) 10/17/2020   21:41:22  ( -73.59,  28.50)   63.01                69
 10/17/2020   22:30:54   (  73.43,-165.69) 10/17/2020   22:32:05  (  73.37,-164.65)   33.68                71
 10/17/2020   23:21:37   ( -73.39,   1.71) 10/17/2020   23:22:49  ( -73.31,   2.54)   27.96                72