Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 18.  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,  15.55) 11/25/2020   21:01:23  ( -78.97,  15.55)    1.88                65
 11/25/2020   21:53:12   (  78.98,-177.08) 11/25/2020   21:52:17  (  78.99,-177.02)    1.73                55
 11/25/2020   22:43:57   ( -78.99,  -9.82) 11/25/2020   22:43:23  ( -78.99,  -9.83)    0.28                34
 11/25/2020   23:34:41   (  78.98, 157.56) 11/25/2020   23:34:17  (  79.01, 157.61)    3.20                24
 11/26/2020   00:25:26   ( -78.99, -35.18) 11/26/2020   00:25:23  ( -79.01, -35.20)    1.76                 3
 11/26/2020   01:16:10   (  79.02, 131.94) 11/26/2020   01:16:17  (  78.99, 131.97)    2.83                 7
 11/26/2020   02:06:54   ( -78.99, -60.55) 11/26/2020   02:07:22  ( -79.02, -60.58)    3.55                28
 11/26/2020   02:57:39   (  79.02, 106.58) 11/26/2020   02:58:17  (  79.01, 106.60)    1.06                38
 11/26/2020   03:48:24   ( -79.02, -86.16) 11/26/2020   03:49:23  ( -79.00, -86.21)    2.54                59
 11/26/2020   04:39:08   (  79.02,  81.21) 11/26/2020   04:40:17  (  79.02,  81.23)    0.93                69