Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-A
TLE Epoch: 2020 8 6.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2020   05:00:44   (  75.84,  90.23) 08/06/2020   05:00:10  (  75.83,  90.22)    0.52                34
 08/06/2020   05:51:28   ( -75.83,-102.44) 08/06/2020   05:50:52  ( -75.81,-102.52)    3.13                36
 08/06/2020   06:42:13   (  75.84,  64.87) 08/06/2020   06:41:32  (  75.81,  64.81)    2.91                41
 08/06/2020   07:32:57   ( -75.83,-127.80) 08/06/2020   07:32:13  ( -75.84,-127.78)    1.14                44
 08/06/2020   08:23:42   (  75.83,  39.50) 08/06/2020   08:22:53  (  75.84,  39.55)    1.53                49
 08/06/2020   09:14:26   ( -75.83,-153.17) 08/06/2020   09:13:35  ( -75.82,-153.19)    1.24                51
 08/06/2020   10:05:11   (  75.83,  14.14) 08/06/2020   10:04:15  (  75.82,  14.15)    1.40                56
 08/06/2020   10:55:55   ( -75.83,-178.53) 08/06/2020   10:54:56  ( -75.84,-178.44)    3.11                59
 08/06/2020   11:46:40   (  75.83, -11.22) 08/06/2020   11:45:36  (  75.84, -11.11)    3.48                64
 08/06/2020   12:37:23   ( -75.82, 156.11) 08/06/2020   12:36:17  ( -75.82, 156.15)    1.13                66
 08/06/2020   13:28:08   (  75.83, -36.58) 08/06/2020   13:26:57  (  75.82, -36.52)    1.77                71
 08/06/2020   14:18:52   ( -75.82, 130.75) 08/06/2020   14:17:39  ( -75.80, 130.74)    2.02                73
 08/06/2020   15:09:34   (  75.68, -61.49) 08/06/2020   15:08:21  (  75.71, -62.22)   20.25                73
 08/06/2020   16:00:16   ( -75.59, 106.13) 08/06/2020   15:59:05  ( -75.59, 104.75)   38.19                71
 08/06/2020   16:50:57   (  75.40, -85.97) 08/06/2020   16:49:49  (  75.40, -88.49)   70.65                68
 08/06/2020   17:41:39   ( -75.30,  81.64) 08/06/2020   17:40:33  ( -75.29,  78.50)   88.56                66