Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 29.  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   ( -79.67,   8.91) 01/29/2020   21:04:10  ( -79.67,   9.01)    2.10                75
 01/29/2020   21:56:10   (  79.67, 176.28) 01/29/2020   21:55:11  (  79.67, 176.29)    0.69                59
 01/29/2020   22:46:54   ( -79.67, -16.43) 01/29/2020   22:46:11  ( -79.66, -16.58)    3.09                43
 01/29/2020   23:37:39   (  79.66, 150.94) 01/29/2020   23:37:11  (  79.69, 150.99)    3.21                28
 01/30/2020   00:28:23   ( -79.67, -41.77) 01/30/2020   00:28:11  ( -79.68, -41.88)    2.45                12
 01/30/2020   01:19:09   (  79.69, 125.32) 01/30/2020   01:19:12  (  79.68, 125.40)    1.94                 3
 01/30/2020   02:09:53   ( -79.70, -67.40) 01/30/2020   02:10:12  ( -79.67, -67.47)    3.01                19
 01/30/2020   03:00:38   (  79.69,  99.97) 01/30/2020   03:01:12  (  79.70, 100.10)    2.73                34
 01/30/2020   03:51:22   ( -79.69, -92.74) 01/30/2020   03:52:12  ( -79.69, -92.76)    0.55                50
 01/30/2020   04:42:07   (  79.69,  74.63) 01/30/2020   04:43:13  (  79.69,  74.50)    2.72                66