Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2020 8 23.  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)
 08/23/2020   04:37:18   (  72.97, 103.50) 08/23/2020   04:36:19  (  72.98, 103.56)    2.19                59
 08/23/2020   05:28:01   ( -72.95, -89.14) 08/23/2020   05:27:01  ( -72.94, -89.19)    2.21                60
 08/23/2020   06:18:47   (  72.97,  78.13) 08/23/2020   06:17:41  (  72.95,  78.17)    2.36                66
 08/23/2020   07:09:30   ( -72.95,-114.50) 08/23/2020   07:08:22  ( -72.97,-114.47)    2.23                68
 08/23/2020   08:00:15   (  72.92,  52.87) 08/23/2020   07:59:03  (  72.93,  52.79)    3.22                72
 08/23/2020   08:50:59   ( -72.95,-139.87) 08/23/2020   08:49:44  ( -72.94,-139.86)    0.40                75
 08/23/2020   09:41:41   (  72.76,  27.83) 08/23/2020   09:40:28  (  72.76,  27.08)   24.72                73
 08/23/2020   10:32:23   ( -72.69,-164.70) 08/23/2020   10:31:11  ( -72.67,-165.77)   35.49                72
 08/23/2020   11:23:04   (  72.46,   3.09) 08/23/2020   11:21:55  (  72.48,   1.17)   64.14                69
 08/23/2020   12:13:46   ( -72.39, 170.55) 08/23/2020   12:12:38  ( -72.39, 168.33)   74.62                68
 08/23/2020   13:04:28   (  72.20, -21.77) 08/23/2020   13:03:22  (  72.20, -24.71)   99.99                66