Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2020 4 16.  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)
 04/29/2020   04:35:12   (  73.71, 102.10) 04/29/2020   04:36:18  (  73.66, 105.10)   93.99                66
 04/29/2020   05:25:54   ( -73.64, -90.41) 04/29/2020   05:27:01  ( -73.59, -87.72)   84.50                67
 04/29/2020   06:16:36   (  73.46,  77.31) 04/29/2020   06:17:45  (  73.39,  79.14)   58.54                69
 04/29/2020   07:07:18   ( -73.39,-115.20) 04/29/2020   07:08:28  ( -73.33,-113.67)   49.18                70
 04/29/2020   07:57:59   (  73.16,  52.62) 04/29/2020   07:59:12  (  73.11,  53.20)   19.15                73
 04/29/2020   08:48:42   ( -73.13,-140.01) 04/29/2020   08:49:55  ( -73.05,-139.60)   15.73                73
 04/29/2020   09:39:25   (  73.00,  27.59) 04/29/2020   09:40:36  (  72.99,  27.60)    1.12                71
 04/29/2020   10:30:08   ( -72.98,-165.04) 04/29/2020   10:31:18  ( -72.98,-165.10)    1.76                70
 04/29/2020   11:20:54   (  73.00,   2.23) 04/29/2020   11:21:58  (  72.97,   2.21)    2.95                64
 04/29/2020   12:11:37   ( -72.98, 169.59) 04/29/2020   12:12:40  ( -72.96, 169.52)    2.66                63
 04/29/2020   13:02:23   (  73.00, -23.14) 04/29/2020   13:03:19  (  73.00, -23.06)    2.62                56
 04/29/2020   13:53:06   ( -72.97, 144.23) 04/29/2020   13:54:01  ( -72.99, 144.25)    2.55                55
 04/29/2020   14:43:51   (  72.99, -48.50) 04/29/2020   14:44:40  (  72.98, -48.44)    2.05                49
 04/29/2020   15:34:34   ( -72.97, 118.87) 04/29/2020   15:35:22  ( -72.98, 118.87)    0.69                48
 04/29/2020   16:25:20   (  72.99, -73.86) 04/29/2020   16:26:02  (  72.96, -73.83)    3.01                42
 04/29/2020   17:16:03   ( -72.97,  93.51) 04/29/2020   17:16:44  ( -72.96,  93.48)    1.32                41
 04/29/2020   18:06:48   (  72.93, -99.12) 04/29/2020   18:07:24  (  72.94, -99.21)    3.17                36
 04/29/2020   18:57:32   ( -72.96,  68.14) 04/29/2020   18:58:06  ( -72.94,  68.10)    3.21                34
 04/29/2020   19:48:18   (  72.98,-124.59) 04/29/2020   19:48:45  (  72.97,-124.48)    3.47                27
 04/29/2020   20:39:01   ( -72.96,  42.78) 04/29/2020   20:39:27  ( -72.97,  42.83)    1.76                26
 04/29/2020   21:29:46   (  72.93,-149.84) 04/29/2020   21:30:07  (  72.95,-149.87)    3.08                21
 04/29/2020   22:20:30   ( -72.95,  17.42) 04/29/2020   22:20:49  ( -72.95,  17.44)    1.28                19
 04/29/2020   23:11:15   (  72.92,-175.21) 04/29/2020   23:11:29  (  72.93,-175.25)    1.84                14
 04/30/2020   00:01:59   ( -72.95,  -7.95) 04/30/2020   00:02:11  ( -72.93,  -7.94)    2.73                12
 04/30/2020   00:52:44   (  72.92, 159.43) 04/30/2020   00:52:51  (  72.91, 159.37)    2.20                 7
 04/30/2020   01:43:28   ( -72.95, -33.31) 04/30/2020   01:43:32  ( -72.96, -33.21)    3.31                 4