Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 5.  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   21:01:40   ( -77.32,  28.38) 05/17/2022   21:00:31  ( -77.32,  26.12)   55.01                69
 05/17/2022   21:52:31   (  77.56,-165.41) 05/17/2022   21:51:25  (  77.55,-165.51)    3.09                66
 05/17/2022   22:43:17   ( -77.56,   1.91) 05/17/2022   22:42:25  ( -77.56,   1.81)    2.34                52
 05/17/2022   23:34:03   (  77.59, 169.08) 05/17/2022   23:33:24  (  77.58, 169.18)    2.38                39
 05/18/2022   00:24:49   ( -77.59, -23.59) 05/18/2022   00:24:24  ( -77.60, -23.49)    2.74                25
 05/18/2022   01:15:34   (  77.57, 143.78) 05/18/2022   01:15:24  (  77.58, 143.67)    2.70                10
 05/18/2022   02:06:21   ( -77.61, -49.10) 05/18/2022   02:06:24  ( -77.60, -49.00)    2.78                 3
 05/18/2022   02:57:06   (  77.60, 118.28) 05/18/2022   02:57:23  (  77.62, 118.37)    3.23                17
 05/18/2022   03:47:52   ( -77.60, -74.40) 05/18/2022   03:48:24  ( -77.59, -74.52)    2.77                32
 05/18/2022   04:38:38   (  77.62,  92.77) 05/18/2022   04:39:23  (  77.62,  92.86)    2.34                45
 05/18/2022   05:29:24   ( -77.62, -99.90) 05/18/2022   05:30:23  ( -77.63, -99.82)    2.18                59
 05/18/2022   06:20:09   (  77.61,  67.47) 05/18/2022   06:21:23  (  77.61,  67.36)    2.73                74