Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 19.  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)
 12/19/2019   23:13:41   (  79.74, 156.23) 12/19/2019   23:12:48  (  79.76, 156.19)    1.91                53
 12/20/2019   00:04:25   ( -79.74, -36.45) 12/20/2019   00:03:44  ( -79.77, -36.43)    2.94                41
 12/20/2019   00:55:11   (  79.77, 130.61) 12/20/2019   00:54:49  (  79.75, 130.61)    2.16                22
 12/20/2019   01:45:55   ( -79.77, -62.07) 12/20/2019   01:45:45  ( -79.76, -62.02)    1.54                10
 12/20/2019   02:36:40   (  79.77, 105.27) 12/20/2019   02:36:49  (  79.77, 105.32)    1.01                 9
 12/20/2019   03:27:24   ( -79.77, -87.41) 12/20/2019   03:27:45  ( -79.78, -87.31)    2.53                21
 12/20/2019   04:18:09   (  79.76,  79.93) 12/20/2019   04:18:49  (  79.79,  80.03)    3.39                40
 12/20/2019   05:08:53   ( -79.76,-112.75) 12/20/2019   05:09:46  ( -79.77,-112.90)    2.99                53
 12/20/2019   05:59:39   (  79.79,  54.31) 12/20/2019   06:00:50  (  79.78,  54.44)    2.96                71
 01/02/2020   13:40:13   (  79.72, -60.19) 01/02/2020   13:38:59  (  79.72, -60.30)    2.16                74
 01/02/2020   14:30:57   ( -79.72, 107.11) 01/02/2020   14:29:54  ( -79.73, 107.12)    0.62                63
 01/02/2020   15:21:42   (  79.72, -85.53) 01/02/2020   15:20:59  (  79.73, -85.59)    2.13                43
 01/02/2020   16:12:25   ( -79.72,  81.77) 01/02/2020   16:11:53  ( -79.75,  81.82)    3.22                32
 01/02/2020   17:03:11   (  79.75,-111.16) 01/02/2020   17:02:59  (  79.73,-111.18)    2.23                12
 01/02/2020   17:53:55   ( -79.75,  56.14) 01/02/2020   17:53:54  ( -79.74,  56.23)    1.99                 1
 01/02/2020   18:44:40   (  79.74,-136.50) 01/02/2020   18:44:59  (  79.75,-136.47)    0.55                19
 01/02/2020   19:35:24   ( -79.74,  30.80) 01/02/2020   19:35:54  ( -79.76,  30.94)    3.08                30
 01/02/2020   20:26:09   (  79.74,-161.84) 01/02/2020   20:26:59  (  79.76,-161.77)    3.04                50
 01/02/2020   21:16:53   ( -79.74,   5.47) 01/02/2020   21:17:55  ( -79.75,   5.35)    2.47                62