Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 15.  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   ( -79.34,-104.53) 06/28/2020   04:49:48  ( -79.33,-104.62)    2.15                67
 06/28/2020   05:41:39   (  79.33,  62.88) 06/28/2020   05:40:43  (  79.35,  62.78)    2.98                56
 06/28/2020   06:32:24   ( -79.34,-129.88) 06/28/2020   06:31:48  ( -79.35,-129.96)    2.03                36
 06/28/2020   07:23:09   (  79.36,  37.26) 06/28/2020   07:22:44  (  79.34,  37.16)    3.60                25
 06/28/2020   08:13:53   ( -79.34,-155.24) 06/28/2020   08:13:48  ( -79.37,-155.30)    3.63                 5
 06/28/2020   09:04:38   (  79.36,  11.91) 06/28/2020   09:04:44  (  79.35,  11.82)    2.00                 6
 06/28/2020   09:55:23   ( -79.37, 179.14) 06/28/2020   09:55:49  ( -79.36, 179.08)    1.91                26
 06/28/2020   10:46:07   (  79.36, -13.45) 06/28/2020   10:46:44  (  79.37, -13.52)    2.05                37
 06/28/2020   11:36:52   ( -79.37, 153.79) 06/28/2020   11:37:49  ( -79.37, 153.75)    1.10                57
 06/28/2020   12:27:36   (  79.36, -38.80) 06/28/2020   12:28:44  (  79.39, -38.86)    3.67                68