Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 11.  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)
 05/18/2020   03:36:29   (  79.20,  95.08) 05/18/2020   03:35:24  (  79.22,  91.31)   78.58                65
 05/18/2020   04:27:20   ( -79.44, -99.51) 05/18/2020   04:26:13  ( -79.42, -99.53)    1.79                67
 05/18/2020   05:18:05   (  79.43,  67.88) 05/18/2020   05:17:17  (  79.45,  67.91)    1.86                48
 05/18/2020   06:08:49   ( -79.44,-124.86) 05/18/2020   06:08:13  ( -79.44,-124.85)    0.55                36
 05/18/2020   06:59:35   (  79.46,  42.26) 05/18/2020   06:59:18  (  79.44,  42.31)    3.05                17
 05/18/2020   07:50:18   ( -79.44,-150.21) 05/18/2020   07:50:13  ( -79.46,-150.18)    2.89                 5
 05/18/2020   08:41:04   (  79.46,  16.91) 05/18/2020   08:41:18  (  79.45,  16.98)    1.54                14
 05/18/2020   09:31:48   ( -79.47,-175.83) 05/18/2020   09:32:14  ( -79.45,-175.78)    2.06                26
 05/18/2020   10:22:33   (  79.46,  -8.44) 05/18/2020   10:23:18  (  79.47,  -8.35)    2.47                45
 05/18/2020   11:13:17   ( -79.46, 158.82) 05/18/2020   11:14:14  ( -79.47, 158.89)    1.60                57
 05/18/2020   12:04:05   (  79.55, -34.61) 05/18/2020   12:05:17  (  79.52, -33.39)   25.03                72