Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2019 5 22.  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)
 05/26/2019   04:52:59   (  73.33,  98.54) 05/26/2019   04:54:10  (  73.24,  99.56)   34.23                71
 05/26/2019   05:43:44   ( -73.41, -94.33) 05/26/2019   05:44:54  ( -73.34, -92.89)   46.27                70
 05/26/2019   06:34:22   (  73.02,  73.85) 05/26/2019   06:35:27  (  73.04,  73.82)    2.44                65
 05/26/2019   07:25:06   ( -73.05,-118.91) 05/26/2019   07:26:13  ( -73.04,-118.85)    1.96                67
 05/26/2019   08:15:51   (  73.01,  48.49) 05/26/2019   08:16:41  (  72.99,  48.42)    3.23                50
 05/26/2019   09:06:34   ( -72.99,-144.15) 05/26/2019   09:07:27  ( -73.00,-144.26)    3.43                53
 05/26/2019   09:57:20   (  73.00,  23.14) 05/26/2019   09:57:54  (  72.99,  23.12)    1.08                34
 05/26/2019   10:48:03   ( -72.98,-169.51) 05/26/2019   10:48:40  ( -73.00,-169.55)    2.44                37
 05/26/2019   11:38:49   (  72.99,  -2.21) 05/26/2019   11:39:07  (  72.99,  -2.18)    1.18                18
 05/26/2019   12:29:32   ( -72.97, 165.14) 05/26/2019   12:29:53  ( -73.00, 165.15)    3.14                21
 05/26/2019   13:20:18   (  72.98, -27.57) 05/26/2019   13:20:20  (  73.00, -27.48)    3.34                 2
 05/26/2019   14:11:01   ( -72.97, 139.79) 05/26/2019   14:11:07  ( -72.95, 139.74)    1.91                 6
 05/26/2019   15:01:47   (  72.97, -52.92) 05/26/2019   15:01:34  (  72.95, -52.88)    3.01                13
 05/26/2019   15:52:30   ( -72.96, 114.43) 05/26/2019   15:52:20  ( -72.96, 114.44)    0.33                10
 05/26/2019   16:43:16   (  72.96, -78.27) 05/26/2019   16:42:47  (  72.95, -78.18)    3.37                29
 05/26/2019   17:33:59   ( -72.95,  89.08) 05/26/2019   17:33:33  ( -72.96,  89.15)    2.51                26
 05/26/2019   18:24:44   (  72.91,-103.52) 05/26/2019   18:24:01  (  72.90,-103.59)    2.22                43
 05/26/2019   19:15:28   ( -72.94,  63.73) 05/26/2019   19:14:47  ( -72.91,  63.74)    3.08                41
 05/26/2019   20:06:13   (  72.90,-128.87) 05/26/2019   20:05:14  (  72.91,-128.88)    1.02                59
 05/26/2019   20:56:57   ( -72.93,  38.37) 05/26/2019   20:56:00  ( -72.92,  38.44)    2.88                57
 05/26/2019   21:47:42   (  72.89,-154.23) 05/26/2019   21:46:27  (  72.91,-154.18)    2.61                75
 05/26/2019   22:38:25   ( -72.87,  13.13) 05/26/2019   22:37:14  ( -72.87,  13.04)    2.95                71
 05/26/2019   23:29:00   (  72.32,-178.44) 05/26/2019   23:27:52  (  72.30, 179.27)   77.30                68
 05/27/2019   00:19:45   ( -72.41, -11.30) 05/27/2019   00:18:36  ( -72.41, -13.19)   63.81                69