Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 25.  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   ( -79.06, 133.69) 07/25/2020   13:05:22  ( -79.05, 130.19)   73.95                66
 07/25/2020   13:57:19   (  79.29, -60.67) 07/25/2020   13:56:10  (  79.28, -60.55)    2.62                69
 07/25/2020   14:48:03   ( -79.27, 106.80) 07/25/2020   14:47:15  ( -79.29, 106.71)    2.75                48
 07/25/2020   15:38:48   (  79.29, -86.03) 07/25/2020   15:38:10  (  79.30, -85.89)    3.08                38
 07/25/2020   16:29:33   ( -79.30,  81.19) 07/25/2020   16:29:15  ( -79.30,  81.36)    3.60                18
 07/25/2020   17:20:17   (  79.29,-111.38) 07/25/2020   17:20:11  (  79.29,-111.51)    2.73                 6
 07/25/2020   18:11:02   ( -79.30,  55.83) 07/25/2020   18:11:16  ( -79.29,  55.74)    2.20                14
 07/25/2020   19:01:47   (  79.32,-137.00) 07/25/2020   19:02:11  (  79.31,-136.86)    3.29                24
 07/25/2020   19:52:31   ( -79.30,  30.47) 07/25/2020   19:53:16  ( -79.31,  30.39)    2.03                45
 07/25/2020   20:43:16   (  79.32,-162.36) 07/25/2020   20:44:11  (  79.32,-162.21)    3.15                55
 07/25/2020   21:34:01   ( -79.33,   4.86) 07/25/2020   21:35:16  ( -79.32,   5.04)    3.85                75