Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 2 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)
 02/26/2020   04:30:29   (  79.37,  80.18) 02/26/2020   04:29:25  (  79.39,  76.04)   84.99                64
 02/26/2020   05:21:21   ( -79.61,-114.46) 02/26/2020   05:20:23  ( -79.62,-114.51)    1.47                58
 02/26/2020   06:12:06   (  79.63,  52.66) 02/26/2020   06:11:18  (  79.61,  52.73)    2.22                48
 02/26/2020   07:02:51   ( -79.63,-140.08) 02/26/2020   07:02:24  ( -79.61,-140.10)    3.08                27
 02/26/2020   07:53:35   (  79.62,  27.32) 02/26/2020   07:53:18  (  79.63,  27.42)    2.16                17
 02/26/2020   08:44:20   ( -79.63,-165.42) 02/26/2020   08:44:24  ( -79.63,-165.40)    0.75                 4
 02/26/2020   09:35:04   (  79.62,   1.97) 02/26/2020   09:35:19  (  79.62,   1.82)    3.00                15
 02/26/2020   10:25:49   ( -79.63, 169.23) 02/26/2020   10:26:24  ( -79.64, 169.29)    2.13                35
 02/26/2020   11:16:33   (  79.62, -23.37) 02/26/2020   11:17:19  (  79.64, -23.48)    3.19                46
 02/26/2020   12:07:19   ( -79.66, 143.61) 02/26/2020   12:08:25  ( -79.63, 143.70)    2.96                66