Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2019 9 8.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2019   16:09:56   (  73.63, -71.51) 09/21/2019   16:11:03  (  73.58, -68.98)   79.59                67
 09/21/2019   17:00:39   ( -73.61,  95.86) 09/21/2019   17:01:47  ( -73.52,  98.20)   74.52                68
 09/21/2019   17:51:20   (  73.37, -96.29) 09/21/2019   17:52:30  (  73.31, -94.93)   43.90                70
 09/21/2019   18:42:02   ( -73.30,  71.18) 09/21/2019   18:43:14  ( -73.24,  72.25)   34.94                72
 09/21/2019   19:32:43   (  73.06,-120.98) 09/21/2019   19:33:57  (  73.03,-120.87)    4.92                74
 09/21/2019   20:23:26   ( -73.04,  46.37) 09/21/2019   20:24:40  ( -73.02,  46.43)    3.07                74
 09/21/2019   21:14:11   (  73.00,-146.23) 09/21/2019   21:15:19  (  73.01,-146.26)    1.09                68
 09/21/2019   22:04:54   ( -72.99,  21.13) 09/21/2019   22:06:02  ( -73.00,  21.05)    3.02                68
 09/21/2019   22:55:40   (  73.00,-171.59) 09/21/2019   22:56:41  (  72.99,-171.64)    1.96                61
 09/21/2019   23:46:23   ( -72.98,  -4.23) 09/21/2019   23:47:24  ( -72.98,  -4.34)    3.49                61