Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-A
TLE Epoch: 2019 8 29.  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)
 08/29/2019   23:32:03   (  74.63, 175.56) 08/29/2019   23:31:05  (  74.66, 175.55)    2.72                58
 08/30/2019   00:22:47   ( -74.67, -17.22) 08/30/2019   00:21:47  ( -74.66, -17.13)    3.26                60
 08/30/2019   01:13:32   (  74.62, 150.21) 08/30/2019   01:12:27  (  74.64, 150.16)    2.09                65
 08/30/2019   02:04:15   ( -74.62, -42.45) 08/30/2019   02:03:09  ( -74.64, -42.52)    3.27                66
 08/30/2019   02:55:01   (  74.62, 124.86) 08/30/2019   02:53:49  (  74.62, 124.77)    2.47                72
 08/30/2019   03:45:44   ( -74.61, -67.80) 08/30/2019   03:44:31  ( -74.62, -67.90)    3.40                73
 08/30/2019   04:36:26   (  74.42, 100.02) 08/30/2019   04:35:14  (  74.46,  99.00)   30.59                72
 08/30/2019   05:27:09   ( -74.41, -92.64) 08/30/2019   05:25:57  ( -74.41, -93.80)   34.57                72
 08/30/2019   06:17:50   (  74.16,  75.29) 08/30/2019   06:16:42  (  74.14,  72.88)   73.37                68
 08/30/2019   07:08:32   ( -74.11,-117.25) 08/30/2019   07:07:25  ( -74.09,-119.91)   81.31                67