Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-C
TLE Epoch: 2020 10 19.  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)
 10/19/2020   04:57:27   (  73.00,  98.59) 10/19/2020   04:56:57  (  73.02,  98.57)    2.23                30
 10/19/2020   05:48:11   ( -73.03, -94.15) 10/19/2020   05:47:40  ( -73.01, -94.13)    2.48                31
 10/19/2020   06:38:56   (  73.00,  73.23) 10/19/2020   06:38:19  (  73.00,  73.19)    1.07                37
 10/19/2020   07:29:39   ( -72.97,-119.41) 10/19/2020   07:29:02  ( -72.99,-119.51)    3.48                37
 10/19/2020   08:20:25   (  72.99,  47.86) 10/19/2020   08:19:41  (  72.98,  47.82)    2.07                44
 10/19/2020   09:11:09   ( -73.02,-144.89) 10/19/2020   09:10:23  ( -73.02,-144.78)    3.48                46
 10/19/2020   10:01:54   (  72.99,  22.49) 10/19/2020   10:01:02  (  73.01,  22.54)    2.86                52
 10/19/2020   10:52:37   ( -72.97,-170.14) 10/19/2020   10:51:45  ( -73.00,-170.16)    3.42                52
 10/19/2020   11:43:23   (  72.99,  -2.88) 10/19/2020   11:42:24  (  72.99,  -2.83)    1.43                59
 10/19/2020   12:34:06   ( -72.97, 164.49) 10/19/2020   12:33:07  ( -72.98, 164.46)    1.79                59
 10/19/2020   13:24:52   (  72.99, -28.24) 10/19/2020   13:23:46  (  72.98, -28.21)    1.72                66
 10/19/2020   14:15:35   ( -72.97, 139.12) 10/19/2020   14:14:29  ( -72.97, 139.09)    1.22                66
 10/19/2020   15:06:21   (  72.99, -53.61) 10/19/2020   15:05:08  (  72.96, -53.59)    3.30                73
 10/19/2020   15:57:04   ( -72.97, 113.76) 10/19/2020   15:55:51  ( -72.95, 113.71)    2.57                73
 10/19/2020   16:47:46   (  72.78, -78.55) 10/19/2020   16:46:33  (  72.79, -79.29)   24.43                73
 10/19/2020   17:38:29   ( -72.76,  88.82) 10/19/2020   17:37:16  ( -72.78,  88.01)   26.57                73
 10/19/2020   18:29:09   (  72.48,-103.29) 10/19/2020   18:28:00  (  72.52,-105.19)   63.70                69
 10/19/2020   19:19:53   ( -72.51,  63.97) 10/19/2020   19:18:43  ( -72.51,  62.11)   61.98                70
 10/19/2020   20:10:33   (  72.22,-128.15) 10/19/2020   20:09:27  (  72.24,-131.07)   99.21                66