Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 23.  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)
 07/25/2020   13:06:28   ( -79.04, 133.86) 07/25/2020   13:05:22  ( -79.07, 130.35)   74.21                66
 07/25/2020   13:57:19   (  79.27, -60.51) 07/25/2020   13:56:11  (  79.27, -60.67)    3.33                68
 07/25/2020   14:48:04   ( -79.28, 106.72) 07/25/2020   14:47:16  ( -79.28, 106.60)    2.46                48
 07/25/2020   15:38:49   (  79.30, -86.12) 07/25/2020   15:38:11  (  79.29, -86.01)    2.72                38
 07/25/2020   16:29:33   ( -79.28,  81.36) 07/25/2020   16:29:16  ( -79.29,  81.25)    2.66                17
 07/25/2020   17:20:18   (  79.30,-111.48) 07/25/2020   17:20:11  (  79.31,-111.36)    2.55                 7
 07/25/2020   18:11:03   ( -79.31,  55.74) 07/25/2020   18:11:16  ( -79.31,  55.90)    3.30                13
 07/25/2020   19:01:46   (  79.30,-136.84) 07/25/2020   19:02:11  (  79.29,-136.98)    3.06                25
 07/25/2020   19:52:31   ( -79.31,  30.39) 07/25/2020   19:53:16  ( -79.30,  30.28)    2.74                45
 07/25/2020   20:43:15   (  79.30,-162.19) 07/25/2020   20:44:11  (  79.31,-162.33)    3.15                56
 07/25/2020   21:34:01   ( -79.34,   4.77) 07/25/2020   21:35:16  ( -79.31,   4.93)    4.67                75