Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 6.  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)
 12/06/2019   07:05:40   (  79.79,  37.84) 12/06/2019   07:04:35  (  79.77,  37.80)    2.34                65
 12/06/2019   07:56:24   ( -79.78,-154.75) 12/06/2019   07:55:34  ( -79.78,-154.82)    1.51                50
 12/06/2019   08:47:09   (  79.79,  12.50) 12/06/2019   08:46:35  (  79.79,  12.52)    0.50                34
 12/06/2019   09:37:53   ( -79.77, 179.91) 12/06/2019   09:37:34  ( -79.80, 179.89)    2.61                19
 12/06/2019   10:28:38   (  79.78, -12.84) 12/06/2019   10:28:35  (  79.81, -12.76)    3.12                 3
 12/06/2019   11:19:23   ( -79.80, 154.29) 12/06/2019   11:19:35  ( -79.79, 154.30)    1.32                12
 12/06/2019   12:10:08   (  79.81, -38.46) 12/06/2019   12:10:36  (  79.80, -38.35)    2.59                28
 12/06/2019   13:00:52   ( -79.80, 128.95) 12/06/2019   13:01:35  ( -79.81, 129.01)    1.63                43
 12/06/2019   13:51:37   (  79.81, -63.80) 12/06/2019   13:52:37  (  79.79, -63.93)    2.90                60
 12/06/2019   14:42:22   ( -79.83, 103.33) 12/06/2019   14:43:36  ( -79.80, 103.42)    3.33                74
 12/19/2019   22:22:56   ( -79.75, -11.16) 12/19/2019   22:21:44  ( -79.75, -11.17)    0.72                72
 12/19/2019   23:13:41   (  79.76, 156.13) 12/19/2019   23:12:48  (  79.75, 156.08)    1.15                53
 12/20/2019   00:04:25   ( -79.75, -36.50) 12/20/2019   00:03:44  ( -79.77, -36.46)    1.88                41
 12/20/2019   00:55:10   (  79.75, 130.79) 12/20/2019   00:54:48  (  79.77, 130.80)    1.72                22
 12/20/2019   01:45:55   ( -79.78, -62.12) 12/20/2019   01:45:45  ( -79.76, -62.05)    2.58                10