Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 24.  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)
 01/29/2020   21:05:25   ( -79.66,   8.99) 01/29/2020   21:04:10  ( -79.68,   9.09)    2.42                75
 01/29/2020   21:56:10   (  79.66, 176.33) 01/29/2020   21:55:11  (  79.68, 176.35)    1.90                59
 01/29/2020   22:46:54   ( -79.66, -16.35) 01/29/2020   22:46:11  ( -79.67, -16.50)    3.09                43
 01/29/2020   23:37:40   (  79.69, 150.71) 01/29/2020   23:37:12  (  79.67, 150.75)    2.44                28
 01/30/2020   00:28:24   ( -79.69, -41.97) 01/30/2020   00:28:11  ( -79.69, -41.80)    3.50                13
 01/30/2020   01:19:09   (  79.69, 125.37) 01/30/2020   01:19:12  (  79.69, 125.45)    1.67                 3
 01/30/2020   02:09:53   ( -79.69, -67.31) 01/30/2020   02:10:12  ( -79.68, -67.39)    1.65                19
 01/30/2020   03:00:38   (  79.68, 100.02) 01/30/2020   03:01:13  (  79.68,  99.85)    3.43                35
 01/30/2020   03:51:22   ( -79.68, -92.66) 01/30/2020   03:52:12  ( -79.70, -92.68)    1.73                50
 01/30/2020   04:42:07   (  79.68,  74.68) 01/30/2020   04:43:13  (  79.70,  74.55)    3.15                66