Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 15.  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)
 11/25/2020   21:02:28   ( -78.99,  15.58) 11/25/2020   21:01:23  ( -78.97,  15.49)    3.08                65
 11/25/2020   21:53:12   (  78.98,-177.06) 11/25/2020   21:52:17  (  78.99,-177.09)    0.90                55
 11/25/2020   22:43:57   ( -78.99,  -9.78) 11/25/2020   22:43:23  ( -78.98,  -9.89)    2.35                34
 11/25/2020   23:34:41   (  78.98, 157.58) 11/25/2020   23:34:17  (  79.00, 157.53)    2.52                24
 11/26/2020   00:25:26   ( -78.99, -35.15) 11/26/2020   00:25:23  ( -79.00, -35.27)    2.86                 3
 11/26/2020   01:16:11   (  79.01, 131.96) 11/26/2020   01:16:18  (  78.98, 131.90)    3.67                 7
 11/26/2020   02:06:56   ( -79.02, -60.76) 11/26/2020   02:07:23  ( -79.01, -60.64)    2.65                27
 11/26/2020   02:57:40   (  79.01, 106.60) 11/26/2020   02:58:18  (  79.00, 106.53)    2.20                38
 11/26/2020   03:48:25   ( -79.02, -86.13) 11/26/2020   03:49:23  ( -79.03, -86.02)    2.49                58
 11/26/2020   04:39:09   (  79.01,  81.23) 11/26/2020   04:40:18  (  79.02,  81.15)    1.71                69