Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 10.  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)
 03/18/2022   12:38:00   ( -77.37, 153.60) 03/18/2022   12:36:54  ( -77.38, 150.19)   83.07                66
 03/18/2022   13:28:55   (  77.71, -40.69) 03/18/2022   13:27:43  (  77.73, -40.75)    2.57                72
 03/18/2022   14:19:40   ( -77.73, 126.54) 03/18/2022   14:18:45  ( -77.74, 126.53)    1.19                55
 03/18/2022   15:10:27   (  77.73, -66.19) 03/18/2022   15:09:43  (  77.73, -66.23)    1.09                44
 03/18/2022   16:01:12   ( -77.75, 101.05) 03/18/2022   16:00:45  ( -77.74, 101.04)    1.10                27
 03/18/2022   16:51:59   (  77.76, -91.68) 03/18/2022   16:51:43  (  77.74, -91.72)    2.55                16
 03/18/2022   17:42:44   ( -77.77,  75.56) 03/18/2022   17:42:45  ( -77.74,  75.56)    3.29                 1
 03/18/2022   18:33:30   (  77.78,-117.17) 03/18/2022   18:33:41  (  77.78,-116.99)    4.20                11
 03/18/2022   19:24:14   ( -77.75,  50.27) 03/18/2022   19:24:43  ( -77.78,  50.29)    3.36                29
 03/18/2022   20:15:01   (  77.76,-142.46) 03/18/2022   20:15:41  (  77.78,-142.48)    1.97                40
 03/18/2022   21:05:46   ( -77.78,  24.78) 03/18/2022   21:06:43  ( -77.79,  24.81)    1.30                57
 03/18/2022   21:56:33   (  77.78,-167.96) 03/18/2022   21:57:41  (  77.78,-167.97)    0.50                68