Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2021 5 24.  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)
 06/06/2021   20:50:21   (  74.05,-140.76) 06/06/2021   20:51:27  (  74.00,-137.95)   86.22                66
 06/06/2021   21:41:03   ( -73.98,  26.72) 06/06/2021   21:42:11  ( -73.94,  29.23)   77.45                68
 06/06/2021   22:31:44   (  73.75,-165.41) 06/06/2021   22:32:54  (  73.73,-163.94)   46.06                70
 06/06/2021   23:22:27   ( -73.74,   1.94) 06/06/2021   23:23:38  ( -73.67,   3.25)   41.75                71
 06/07/2021   00:13:08   (  73.51, 169.80) 06/07/2021   00:14:21  (  73.46, 170.10)   11.17                73
 06/07/2021   01:03:51   ( -73.50, -22.86) 06/07/2021   01:05:04  ( -73.45, -22.59)    9.75                73
 06/07/2021   01:54:35   (  73.41, 144.65) 06/07/2021   01:55:43  (  73.43, 144.71)    3.08                68