Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 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)
 05/31/2020   19:44:21   (  79.14,-146.45) 05/31/2020   19:43:17  (  79.16,-150.61)   87.24                64
 05/31/2020   20:35:13   ( -79.41,  18.77) 05/31/2020   20:34:08  ( -79.39,  18.68)    3.55                65
 05/31/2020   21:25:58   (  79.41,-173.89) 05/31/2020   21:25:09  (  79.42,-173.75)    3.14                49
 05/31/2020   22:16:42   ( -79.41,  -6.58) 05/31/2020   22:16:08  ( -79.40,  -6.65)    1.56                34
 05/31/2020   23:07:27   (  79.41, 160.75) 05/31/2020   23:07:10  (  79.41, 160.64)    2.38                17
 05/31/2020   23:58:11   ( -79.41, -31.94) 05/31/2020   23:58:08  ( -79.42, -31.98)    1.70                 3
 06/01/2020   00:48:56   (  79.41, 135.40) 06/01/2020   00:49:10  (  79.43, 135.30)    2.98                14
 06/01/2020   01:39:41   ( -79.44, -57.56) 06/01/2020   01:40:09  ( -79.41, -57.58)    3.28                28
 06/01/2020   02:30:25   (  79.44, 109.78) 06/01/2020   02:31:10  (  79.41, 109.69)    3.08                45
 06/01/2020   03:21:09   ( -79.44, -82.91) 06/01/2020   03:22:08  ( -79.43, -82.91)    0.98                59