Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 25.  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)
 05/31/2020   19:44:20   (  79.10,-146.14) 05/31/2020   19:43:18  (  79.13,-150.88)   99.57                62
 05/31/2020   20:35:13   ( -79.41,  18.80) 05/31/2020   20:34:07  ( -79.41,  18.94)    2.86                66
 05/31/2020   21:25:58   (  79.40,-173.84) 05/31/2020   21:25:09  (  79.42,-173.75)    2.71                49
 05/31/2020   22:16:42   ( -79.41,  -6.56) 05/31/2020   22:16:08  ( -79.40,  -6.67)    2.46                34
 05/31/2020   23:07:28   (  79.43, 160.54) 05/31/2020   23:07:10  (  79.41, 160.64)    3.45                18
 05/31/2020   23:58:11   ( -79.41, -31.91) 05/31/2020   23:58:08  ( -79.42, -32.00)    2.49                 3
 06/01/2020   00:48:56   (  79.43, 135.19) 06/01/2020   00:49:09  (  79.43, 135.31)    2.50                13
 06/01/2020   01:39:40   ( -79.44, -57.53) 06/01/2020   01:40:08  ( -79.41, -57.61)    3.48                28
 06/01/2020   02:30:25   (  79.43, 109.84) 06/01/2020   02:31:09  (  79.44, 109.98)    3.27                44
 06/01/2020   03:21:09   ( -79.43, -82.88) 06/01/2020   03:22:08  ( -79.43, -82.94)    1.43                59