Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 20.  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,  15.71) 11/25/2020   21:01:22  ( -79.00,  15.72)    3.24                65
 11/25/2020   21:53:12   (  78.99,-177.15) 11/25/2020   21:52:17  (  78.98,-177.10)    1.39                55
 11/25/2020   22:43:57   ( -79.00,  -9.90) 11/25/2020   22:43:23  ( -78.98,  -9.92)    2.56                34
 11/25/2020   23:34:41   (  78.99, 157.49) 11/25/2020   23:34:17  (  79.00, 157.53)    1.25                24
 11/26/2020   00:25:26   ( -79.00, -35.26) 11/26/2020   00:25:23  ( -78.99, -35.29)    0.94                 3
 11/26/2020   01:16:10   (  78.99, 132.12) 11/26/2020   01:16:17  (  79.02, 132.15)    2.82                 7
 11/26/2020   02:06:55   ( -79.00, -60.63) 11/26/2020   02:07:23  ( -79.01, -60.67)    1.34                28
 11/26/2020   02:57:40   (  79.03, 106.51) 11/26/2020   02:58:18  (  79.00, 106.52)    3.04                38
 11/26/2020   03:48:24   ( -79.00, -85.99) 11/26/2020   03:49:23  ( -79.03, -86.04)    3.04                59
 11/26/2020   04:39:09   (  79.03,  81.14) 11/26/2020   04:40:18  (  79.01,  81.15)    1.21                69