Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 10 18.  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)
 10/29/2020   11:05:31   ( -79.03, 164.41) 10/29/2020   11:04:23  ( -79.06, 164.39)    2.96                68
 10/29/2020   11:56:16   (  79.05, -28.41) 10/29/2020   11:55:20  (  79.04, -28.49)    2.09                56
 10/29/2020   12:47:01   ( -79.07, 138.80) 10/29/2020   12:46:24  ( -79.04, 138.77)    2.72                37
 10/29/2020   13:37:45   (  79.05, -53.78) 10/29/2020   13:37:20  (  79.06, -53.86)    1.82                25
 10/29/2020   14:28:30   ( -79.07, 113.44) 10/29/2020   14:28:24  ( -79.06, 113.40)    1.07                 6
 10/29/2020   15:19:14   (  79.05, -79.14) 10/29/2020   15:19:20  (  79.07, -79.23)    3.03                 6
 10/29/2020   16:09:59   ( -79.07,  88.07) 10/29/2020   16:10:24  ( -79.08,  88.03)    1.49                25
 10/29/2020   17:00:44   (  79.09,-104.76) 10/29/2020   17:01:20  (  79.09,-104.60)    3.35                36
 10/29/2020   17:51:28   ( -79.07,  62.71) 10/29/2020   17:52:24  ( -79.09,  62.67)    3.24                56
 10/29/2020   18:42:13   (  79.09,-130.12) 10/29/2020   18:43:21  (  79.07,-130.23)    2.74                68