Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 1 21.  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   ( -79.65,   9.08) 01/29/2020   21:04:11  ( -79.67,   8.96)    2.66                74
 01/29/2020   21:56:11   (  79.69, 176.12) 01/29/2020   21:55:12  (  79.67, 176.20)    2.76                59
 01/29/2020   22:46:55   ( -79.68, -16.54) 01/29/2020   22:46:12  ( -79.66, -16.63)    3.36                43
 01/29/2020   23:37:40   (  79.68, 150.78) 01/29/2020   23:37:12  (  79.68, 150.90)    2.49                28
 01/30/2020   00:28:24   ( -79.68, -41.89) 01/30/2020   00:28:12  ( -79.68, -41.93)    0.95                12
 01/30/2020   01:19:09   (  79.68, 125.44) 01/30/2020   01:19:13  (  79.68, 125.31)    2.60                 4
 01/30/2020   02:09:53   ( -79.68, -67.23) 01/30/2020   02:10:12  ( -79.69, -67.22)    1.96                19
 01/30/2020   03:00:38   (  79.68, 100.09) 01/30/2020   03:01:13  (  79.69, 100.01)    2.56                35
 01/30/2020   03:51:23   ( -79.71, -92.85) 01/30/2020   03:52:13  ( -79.69, -92.81)    2.22                50
 01/30/2020   04:42:08   (  79.70,  74.47) 01/30/2020   04:43:14  (  79.68,  74.41)    2.53                66