Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2019 5 18.  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)
 05/31/2019   06:40:06   (  73.80,  70.70) 05/31/2019   06:41:11  (  73.75,  73.89)   99.13                65
 05/31/2019   07:30:49   ( -73.76,-121.90) 05/31/2019   07:31:55  ( -73.70,-118.91)   93.24                66
 05/31/2019   08:21:29   (  73.49,  46.05) 05/31/2019   08:22:38  (  73.48,  47.93)   59.35                69
 05/31/2019   09:12:12   ( -73.46,-146.56) 05/31/2019   09:13:22  ( -73.43,-144.87)   53.56                70
 05/31/2019   10:02:53   (  73.23,  21.26) 05/31/2019   10:04:05  (  73.21,  21.98)   23.32                72
 05/31/2019   10:53:36   ( -73.20,-171.35) 05/31/2019   10:54:49  ( -73.16,-170.81)   18.05                73
 05/31/2019   11:44:18   (  73.02,  -3.66) 05/31/2019   11:45:30  (  73.04,  -3.73)    3.11                72
 05/31/2019   12:35:02   ( -73.04, 163.62) 05/31/2019   12:36:13  ( -73.04, 163.59)    0.99                71
 05/31/2019   13:25:46   (  73.02, -29.01) 05/31/2019   13:26:51  (  73.02, -29.11)    3.36                65
 05/31/2019   14:16:30   ( -73.03, 138.26) 05/31/2019   14:17:34  ( -73.02, 138.21)    2.37                64
 05/31/2019   15:07:16   (  73.06, -54.47) 05/31/2019   15:08:12  (  73.05, -54.39)    2.92                56
 05/31/2019   15:57:59   ( -73.03, 112.91) 05/31/2019   15:58:55  ( -73.05, 112.93)    2.99                56
 05/31/2019   16:48:45   (  73.05, -79.83) 05/31/2019   16:49:34  (  73.03, -79.77)    2.68                49
 05/31/2019   17:39:28   ( -73.02,  87.56) 05/31/2019   17:40:17  ( -73.03,  87.55)    1.66                49
 05/31/2019   18:30:14   (  73.04,-105.18) 05/31/2019   18:30:56  (  73.01,-105.15)    3.27                42
 05/31/2019   19:20:57   ( -73.01,  62.20) 05/31/2019   19:21:39  ( -73.01,  62.17)    1.14                42
 05/31/2019   20:11:42   (  72.98,-130.43) 05/31/2019   20:12:18  (  72.99,-130.53)    3.57                36
 05/31/2019   21:02:26   ( -73.00,  36.85) 05/31/2019   21:03:01  ( -72.99,  36.79)    2.14                35
 05/31/2019   21:53:12   (  73.03,-155.89) 05/31/2019   21:53:39  (  73.03,-155.81)    2.79                27
 05/31/2019   22:43:55   ( -72.99,  11.50) 05/31/2019   22:44:23  ( -72.97,  11.41)    3.55                28
 05/31/2019   23:34:41   (  73.02, 178.75) 05/31/2019   23:35:01  (  73.01, 178.81)    2.30                20