Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 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)
 03/18/2022   12:38:00   ( -77.39, 153.52) 03/18/2022   12:36:54  ( -77.36, 150.10)   83.07                66
 03/18/2022   13:28:55   (  77.72, -40.75) 03/18/2022   13:27:43  (  77.72, -40.81)    1.28                72
 03/18/2022   14:19:40   ( -77.75, 126.45) 03/18/2022   14:18:45  ( -77.72, 126.44)    2.63                55
 03/18/2022   15:10:27   (  77.75, -66.25) 03/18/2022   15:09:43  (  77.72, -66.29)    2.77                44
 03/18/2022   16:01:11   ( -77.73, 101.16) 03/18/2022   16:00:44  ( -77.76, 101.16)    4.03                27
 03/18/2022   16:51:59   (  77.77, -91.74) 03/18/2022   16:51:42  (  77.76, -91.57)    4.01                17
 03/18/2022   17:42:43   ( -77.75,  75.67) 03/18/2022   17:42:44  ( -77.77,  75.68)    1.82                 1
 03/18/2022   18:33:30   (  77.75,-117.03) 03/18/2022   18:33:42  (  77.77,-117.06)    1.86                12
 03/18/2022   19:24:15   ( -77.77,  50.18) 03/18/2022   19:24:44  ( -77.77,  50.20)    0.62                29
 03/18/2022   20:15:02   (  77.77,-142.52) 03/18/2022   20:15:42  (  77.77,-142.55)    0.78                40
 03/18/2022   21:05:47   ( -77.79,  24.69) 03/18/2022   21:06:44  ( -77.77,  24.71)    2.72                57
 03/18/2022   21:56:34   (  77.80,-168.02) 03/18/2022   21:57:42  (  77.77,-168.03)    2.92                68