Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 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)
 04/02/2022   14:44:06   ( -77.61, 121.11) 04/02/2022   14:42:53  ( -77.59, 120.27)   19.97                73
 04/02/2022   15:34:54   (  77.67, -71.88) 04/02/2022   15:33:45  (  77.70, -71.89)    3.22                69
 04/02/2022   16:25:39   ( -77.67,  95.41) 04/02/2022   16:24:50  ( -77.71,  95.40)    4.23                49
 04/02/2022   17:16:26   (  77.69, -97.38) 04/02/2022   17:15:45  (  77.70, -97.38)    0.77                41
 04/02/2022   18:07:11   ( -77.70,  69.92) 04/02/2022   18:06:50  ( -77.71,  69.92)    1.85                21
 04/02/2022   18:57:58   (  77.72,-122.87) 04/02/2022   18:57:45  (  77.70,-122.87)    1.68                13
 04/02/2022   19:48:43   ( -77.72,  44.43) 04/02/2022   19:48:50  ( -77.72,  44.43)    0.52                 7
 04/02/2022   20:39:30   (  77.74,-148.37) 04/02/2022   20:39:45  (  77.70,-148.36)    4.12                15
 04/02/2022   21:30:15   ( -77.74,  18.93) 04/02/2022   21:30:50  ( -77.72,  18.94)    2.89                35
 04/02/2022   22:21:01   (  77.72,-173.66) 04/02/2022   22:21:44  (  77.74,-173.64)    2.41                43
 04/02/2022   23:11:46   ( -77.73,  -6.36) 04/02/2022   23:12:49  ( -77.76,  -6.34)    3.65                63
 04/03/2022   00:02:33   (  77.75, 160.84) 04/03/2022   00:03:44  (  77.75, 160.87)    0.61                71