Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 24.  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)
 06/28/2020   04:50:55   ( -79.35,-104.57) 06/28/2020   04:49:48  ( -79.33,-104.61)    1.56                67
 06/28/2020   05:41:39   (  79.33,  62.89) 06/28/2020   05:40:43  (  79.35,  62.84)    3.05                56
 06/28/2020   06:32:24   ( -79.34,-129.92) 06/28/2020   06:31:48  ( -79.35,-129.95)    0.99                36
 06/28/2020   07:23:09   (  79.36,  37.27) 06/28/2020   07:22:44  (  79.34,  37.22)    2.35                25
 06/28/2020   08:13:53   ( -79.34,-155.28) 06/28/2020   08:13:48  ( -79.37,-155.29)    3.02                 5
 06/28/2020   09:04:38   (  79.36,  11.91) 06/28/2020   09:04:44  (  79.36,  11.88)    0.75                 6
 06/28/2020   09:55:23   ( -79.37, 179.10) 06/28/2020   09:55:49  ( -79.36, 179.10)    1.86                26
 06/28/2020   10:46:07   (  79.36, -13.44) 06/28/2020   10:46:44  (  79.38, -13.46)    2.18                37
 06/28/2020   11:36:51   ( -79.37, 153.75) 06/28/2020   11:37:48  ( -79.37, 153.76)    0.39                57
 06/28/2020   12:27:36   (  79.39, -39.06) 06/28/2020   12:28:44  (  79.36, -39.08)    2.84                68