Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2020 1 10.  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)
 01/10/2020   05:59:24   (  72.88,  82.69) 01/10/2020   05:58:52  (  72.90,  82.75)    2.93                32
 01/10/2020   06:50:07   ( -72.88,-110.00) 01/10/2020   06:49:34  ( -72.89,-109.93)    2.41                33
 01/10/2020   07:40:53   (  72.88,  57.33) 01/10/2020   07:40:13  (  72.89,  57.39)    2.28                40
 01/10/2020   08:31:36   ( -72.88,-135.36) 01/10/2020   08:30:55  ( -72.88,-135.30)    1.99                41
 01/10/2020   09:22:22   (  72.87,  31.97) 01/10/2020   09:21:34  (  72.87,  32.02)    1.86                48
 01/10/2020   10:13:05   ( -72.87,-160.72) 01/10/2020   10:12:16  ( -72.87,-160.66)    1.87                49
 01/10/2020   11:03:51   (  72.87,   6.61) 01/10/2020   11:02:55  (  72.86,   6.66)    1.81                56
 01/10/2020   11:54:34   ( -72.87, 173.92) 01/10/2020   11:53:37  ( -72.86, 173.98)    2.12                57
 01/10/2020   12:45:19   (  72.86, -18.75) 01/10/2020   12:44:15  (  72.85, -18.70)    2.17                64
 01/10/2020   13:36:02   ( -72.86, 148.56) 01/10/2020   13:34:57  ( -72.84, 148.61)    2.63                65
 01/10/2020   14:26:48   (  72.85, -44.11) 01/10/2020   14:25:36  (  72.83, -44.07)    2.78                72
 01/10/2020   15:17:31   ( -72.86, 123.21) 01/10/2020   15:16:18  ( -72.83, 123.25)    3.29                73
 01/10/2020   16:08:13   (  72.65, -69.05) 01/10/2020   16:07:00  (  72.67, -69.75)   23.29                73
 01/10/2020   16:58:56   ( -72.65,  98.27) 01/10/2020   16:57:43  ( -72.61,  97.47)   26.76                73
 01/10/2020   17:49:36   (  72.34, -93.79) 01/10/2020   17:48:27  (  72.35, -95.73)   65.26                69
 01/10/2020   18:40:19   ( -72.34,  73.52) 01/10/2020   18:39:10  ( -72.30,  71.50)   68.50                69