Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 17.  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)
 05/17/2022   21:52:32   (  77.58,-165.50) 05/17/2022   21:51:26  (  77.56,-165.45)    2.31                66
 05/17/2022   22:43:18   ( -77.59,   1.77) 05/17/2022   22:42:26  ( -77.57,   1.83)    2.64                52
 05/17/2022   23:34:03   (  77.56, 169.20) 05/17/2022   23:33:26  (  77.56, 169.04)    3.83                37
 05/18/2022   00:24:49   ( -77.57, -23.53) 05/18/2022   00:24:26  ( -77.56, -23.68)    3.68                23
 05/18/2022   01:15:35   (  77.59, 143.70) 05/18/2022   01:15:25  (  77.60, 143.74)    1.33                10
 05/18/2022   02:06:21   ( -77.60, -49.03) 05/18/2022   02:06:25  ( -77.60, -48.98)    1.23                 4
 05/18/2022   02:57:07   (  77.61, 118.19) 05/18/2022   02:57:25  (  77.59, 118.23)    2.37                18
 05/18/2022   03:47:53   ( -77.62, -74.53) 05/18/2022   03:48:25  ( -77.60, -74.49)    2.76                32
 05/18/2022   04:38:38   (  77.60,  92.89) 05/18/2022   04:39:24  (  77.63,  92.93)    3.92                46
 05/18/2022   05:29:24   ( -77.61, -99.84) 05/18/2022   05:30:24  ( -77.64, -99.80)    3.43                60
 05/18/2022   06:20:10   (  77.62,  67.39) 05/18/2022   06:21:24  (  77.63,  67.43)    1.21                74