Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-A
TLE Epoch: 2020 10 3.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2020   03:20:17   (  76.04, 114.87) 10/03/2020   03:19:04  (  76.04, 114.90)    1.11                73
 10/03/2020   04:11:00   ( -76.02, -77.76) 10/03/2020   04:09:46  ( -76.03, -77.81)    1.96                74
 10/03/2020   05:01:41   (  75.80,  90.28) 10/03/2020   05:00:30  (  75.84,  88.89)   37.86                71
 10/03/2020   05:52:24   ( -75.79,-102.35) 10/03/2020   05:51:13  ( -75.78,-103.96)   43.99                71
 10/03/2020   06:43:04   (  75.52,  65.81) 10/03/2020   06:41:58  (  75.53,  62.62)   88.74                66
 10/03/2020   07:33:46   ( -75.46,-126.68) 10/03/2020   07:32:41  ( -75.48,-130.23)   99.03                65