Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 13.  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)
 05/18/2020   03:36:30   (  79.22,  94.91) 05/18/2020   03:35:24  (  79.23,  91.42)   72.59                66
 05/18/2020   04:27:20   ( -79.43, -99.43) 05/18/2020   04:26:13  ( -79.44, -99.42)    0.59                67
 05/18/2020   05:18:06   (  79.45,  67.70) 05/18/2020   05:17:18  (  79.43,  67.74)    2.77                48
 05/18/2020   06:08:49   ( -79.43,-124.78) 05/18/2020   06:08:13  ( -79.45,-124.75)    2.92                36
 05/18/2020   06:59:35   (  79.45,  42.35) 05/18/2020   06:59:18  (  79.45,  42.42)    1.40                17
 05/18/2020   07:50:19   ( -79.46,-150.40) 05/18/2020   07:50:14  ( -79.44,-150.35)    2.02                 5
 05/18/2020   08:41:04   (  79.45,  17.00) 05/18/2020   08:41:18  (  79.46,  17.09)    2.62                14
 05/18/2020   09:31:48   ( -79.46,-175.75) 05/18/2020   09:32:14  ( -79.46,-175.68)    1.56                26
 05/18/2020   10:22:33   (  79.45,  -8.35) 05/18/2020   10:23:19  (  79.45,  -8.52)    3.49                46
 05/18/2020   11:13:17   ( -79.45, 158.90) 05/18/2020   11:14:14  ( -79.48, 159.00)    3.40                57
 05/18/2020   12:04:05   (  79.54, -34.52) 05/18/2020   12:05:17  (  79.53, -33.27)   25.22                72