Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2021 10 2.  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)
 10/02/2021   03:15:36   (  73.51, 125.04) 10/02/2021   03:14:58  (  73.52, 125.00)    1.41                38
 10/02/2021   04:06:19   ( -73.51, -67.65) 10/02/2021   04:05:40  ( -73.54, -67.62)    3.29                39
 10/02/2021   04:57:05   (  73.51,  99.66) 10/02/2021   04:56:20  (  73.50,  99.62)    2.35                45
 10/02/2021   05:47:48   ( -73.52, -93.03) 10/02/2021   05:47:02  ( -73.52, -93.00)    1.06                46
 10/02/2021   06:38:34   (  73.52,  74.28) 10/02/2021   06:37:41  (  73.53,  74.35)    2.47                53
 10/02/2021   07:29:17   ( -73.52,-118.41) 10/02/2021   07:28:24  ( -73.51,-118.38)    1.96                53
 10/02/2021   08:20:03   (  73.52,  48.90) 10/02/2021   08:19:03  (  73.51,  48.97)    2.60                60
 10/02/2021   09:10:45   ( -73.48,-143.67) 10/02/2021   09:09:46  ( -73.49,-143.76)    3.16                59
 10/02/2021   10:01:31   (  73.48,  23.63) 10/02/2021   10:00:25  (  73.49,  23.59)    2.19                66
 10/02/2021   10:52:14   ( -73.48,-169.05) 10/02/2021   10:51:08  ( -73.47,-169.14)    3.23                66
 10/02/2021   11:43:00   (  73.48,  -1.75) 10/02/2021   11:41:47  (  73.47,  -1.80)    1.90                73
 10/02/2021   12:33:43   ( -73.48, 165.57) 10/02/2021   12:32:29  ( -73.50, 165.59)    1.86                74
 10/02/2021   13:24:25   (  73.29, -26.67) 10/02/2021   13:23:13  (  73.25, -27.63)   30.94                72
 10/02/2021   14:15:08   ( -73.29, 140.64) 10/02/2021   14:13:55  ( -73.28, 139.76)   28.37                73
 10/02/2021   15:05:48   (  72.99, -51.38) 10/02/2021   15:04:40  (  72.98, -53.56)   70.75                68
 10/02/2021   15:56:31   ( -72.99, 115.93) 10/02/2021   15:55:22  ( -73.01, 113.83)   68.21                69