Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 10 5.  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)
 10/15/2020   18:07:03   (  79.10,-121.44) 10/15/2020   18:05:50  (  79.07,-121.42)    2.62                73
 10/15/2020   18:57:47   ( -79.09,  45.94) 10/15/2020   18:56:50  ( -79.09,  46.00)    1.43                57
 10/15/2020   19:48:32   (  79.10,-146.80) 10/15/2020   19:47:50  (  79.09,-146.78)    0.79                42
 10/15/2020   20:39:16   ( -79.09,  20.58) 10/15/2020   20:38:50  ( -79.11,  20.63)    2.85                26
 10/15/2020   21:30:01   (  79.09,-172.17) 10/15/2020   21:29:50  (  79.10,-172.15)    1.25                11
 10/15/2020   22:20:46   ( -79.12,  -5.04) 10/15/2020   22:20:51  ( -79.09,  -4.99)    3.02                 5
 10/15/2020   23:11:30   (  79.09, 162.47) 10/15/2020   23:11:50  (  79.12, 162.48)    3.09                20
 10/16/2020   00:02:15   ( -79.12, -30.40) 10/16/2020   00:02:51  ( -79.11, -30.36)    1.26                36
 10/16/2020   00:53:00   (  79.13, 136.86) 10/16/2020   00:53:51  (  79.10, 136.85)    2.49                51
 10/16/2020   01:43:44   ( -79.12, -55.76) 10/16/2020   01:44:51  ( -79.13, -55.72)    1.27                67