Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 13.  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   21:02:27   ( -78.97,  15.68) 11/25/2020   21:01:22  ( -78.99,  15.70)    2.19                65
 11/25/2020   21:53:12   (  79.00,-177.22) 11/25/2020   21:52:17  (  78.98,-177.14)    3.36                55
 11/25/2020   22:43:57   ( -79.01,  -9.94) 11/25/2020   22:43:23  ( -78.98,  -9.93)    3.64                34
 11/25/2020   23:34:41   (  79.00, 157.41) 11/25/2020   23:34:17  (  78.99, 157.48)    1.86                24
 11/26/2020   00:25:26   ( -79.01, -35.30) 11/26/2020   00:25:23  ( -78.99, -35.31)    1.85                 3
 11/26/2020   01:16:10   (  79.00, 132.05) 11/26/2020   01:16:17  (  79.01, 132.11)    1.52                 7
 11/26/2020   02:06:55   ( -79.01, -60.67) 11/26/2020   02:07:23  ( -79.01, -60.69)    0.35                28
 11/26/2020   02:57:39   (  79.00, 106.68) 11/26/2020   02:58:17  (  79.03, 106.74)    2.79                38
 11/26/2020   03:48:24   ( -79.01, -86.04) 11/26/2020   03:49:23  ( -79.02, -86.06)    1.81                59
 11/26/2020   04:39:09   (  79.04,  81.06) 11/26/2020   04:40:18  (  79.01,  81.10)    3.33                69