Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 22.  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)
 04/02/2022   14:44:07   ( -77.60, 121.15) 04/02/2022   14:42:54  ( -77.58, 120.22)   22.31                73
 04/02/2022   15:34:55   (  77.70, -72.05) 04/02/2022   15:33:45  (  77.69, -71.95)    2.86                70
 04/02/2022   16:25:40   ( -77.71,  95.26) 04/02/2022   16:24:50  ( -77.70,  95.35)    2.16                50
 04/02/2022   17:16:26   (  77.69, -97.34) 04/02/2022   17:15:45  (  77.69, -97.44)    2.50                41
 04/02/2022   18:07:11   ( -77.69,  69.97) 04/02/2022   18:06:50  ( -77.70,  69.86)    3.11                21
 04/02/2022   18:57:58   (  77.71,-122.83) 04/02/2022   18:57:45  (  77.69,-122.93)    3.15                13
 04/02/2022   19:48:43   ( -77.71,  44.48) 04/02/2022   19:48:50  ( -77.71,  44.38)    2.44                 7
 04/02/2022   20:39:30   (  77.73,-148.33) 04/02/2022   20:39:44  (  77.73,-148.21)    2.69                14
 04/02/2022   21:30:15   ( -77.73,  18.98) 04/02/2022   21:30:49  ( -77.75,  19.10)    3.05                34
 04/02/2022   22:21:01   (  77.71,-173.62) 04/02/2022   22:21:44  (  77.73,-173.70)    2.83                43
 04/02/2022   23:11:47   ( -77.76,  -6.51) 04/02/2022   23:12:49  ( -77.75,  -6.39)    2.95                62
 04/03/2022   00:02:33   (  77.74, 160.89) 04/03/2022   00:03:44  (  77.73, 160.81)    1.93                71