Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 19.  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   04:50:54   ( -79.34,-104.48) 06/28/2020   04:49:47  ( -79.35,-104.50)    1.36                67
 06/28/2020   05:41:39   (  79.35,  62.69) 06/28/2020   05:40:43  (  79.33,  62.65)    2.43                56
 06/28/2020   06:32:23   ( -79.33,-129.83) 06/28/2020   06:31:47  ( -79.36,-129.83)    3.48                36
 06/28/2020   07:23:08   (  79.35,  37.34) 06/28/2020   07:22:43  (  79.35,  37.31)    0.62                25
 06/28/2020   08:13:53   ( -79.37,-155.45) 06/28/2020   08:13:48  ( -79.35,-155.45)    1.41                 5
 06/28/2020   09:04:37   (  79.35,  11.98) 06/28/2020   09:04:43  (  79.37,  11.96)    2.00                 6
 06/28/2020   09:55:22   ( -79.36, 179.19) 06/28/2020   09:55:48  ( -79.37, 179.21)    0.85                26
 06/28/2020   10:46:07   (  79.38, -13.64) 06/28/2020   10:46:44  (  79.36, -13.65)    2.99                37
 06/28/2020   11:36:51   ( -79.36, 153.84) 06/28/2020   11:37:48  ( -79.39, 153.87)    2.98                57
 06/28/2020   12:27:36   (  79.38, -39.00) 06/28/2020   12:28:44  (  79.37, -38.99)    0.87                68