Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 14.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2020   13:06:28   ( -79.08, 133.60) 07/25/2020   13:05:21  ( -79.08, 130.38)   67.65                67
 07/25/2020   13:57:18   (  79.28, -60.57) 07/25/2020   13:56:10  (  79.27, -60.68)    2.33                68
 07/25/2020   14:48:03   ( -79.28, 106.70) 07/25/2020   14:47:15  ( -79.28, 106.64)    1.34                48
 07/25/2020   15:38:47   (  79.28, -85.93) 07/25/2020   15:38:10  (  79.29, -86.02)    2.35                37
 07/25/2020   16:29:32   ( -79.28,  81.34) 07/25/2020   16:29:15  ( -79.30,  81.29)    2.01                17
 07/25/2020   17:20:17   (  79.31,-111.55) 07/25/2020   17:20:10  (  79.30,-111.37)    3.67                 7
 07/25/2020   18:11:02   ( -79.31,  55.73) 07/25/2020   18:11:16  ( -79.28,  55.67)    3.67                14
 07/25/2020   19:01:46   (  79.31,-136.90) 07/25/2020   19:02:11  (  79.29,-136.99)    2.53                25
 07/25/2020   19:52:31   ( -79.31,  30.37) 07/25/2020   19:53:16  ( -79.30,  30.32)    1.79                45
 07/25/2020   20:43:15   (  79.31,-162.26) 07/25/2020   20:44:11  (  79.31,-162.34)    1.64                56
 07/25/2020   21:34:01   ( -79.34,   4.75) 07/25/2020   21:35:16  ( -79.32,   4.97)    5.47                75