Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 13.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/13/2023   06:12:26   ( -75.20, -94.75) 12/13/2023   06:13:32  ( -75.09, -92.02)   78.72                66
 12/13/2023   07:03:00   (  74.58,  74.34) 12/13/2023   07:03:03  (  74.60,  74.41)    2.81                 3
 12/13/2023   07:53:41   ( -74.43,-117.93) 12/13/2023   07:52:27  ( -74.50,-118.16)   10.47                74
 12/15/2023   18:16:10   (  74.61, -93.98) 12/15/2023   18:17:06  (  74.62, -94.09)    3.43                56
 12/15/2023   19:06:53   ( -74.55,  73.49) 12/15/2023   19:06:29  ( -74.57,  73.46)    2.54                24
 12/18/2023   06:20:04   ( -74.63, -94.97) 12/18/2023   06:20:31  ( -74.62, -94.96)    0.66                27
 12/18/2023   07:10:49   (  74.54,  72.59) 12/18/2023   07:09:54  (  74.53,  72.49)    3.06                55
 12/20/2023   17:33:18   ( -74.90,  96.02) 12/20/2023   17:34:29  ( -74.81,  96.95)   29.02                71
 12/20/2023   18:23:59   (  74.62, -95.90) 12/20/2023   18:23:54  (  74.61, -95.86)    1.56                 5
 12/20/2023   19:14:33   ( -74.12,  72.75) 12/20/2023   19:13:24  ( -74.21,  70.85)   58.36                69
 12/23/2023   05:37:09   (  74.67,  95.74) 12/23/2023   05:37:55  (  74.67,  95.74)    0.57                46
 12/23/2023   06:27:52   ( -74.60, -96.76) 12/23/2023   06:27:19  ( -74.58, -96.82)    2.67                33
 12/25/2023   17:41:02   ( -74.64,  94.87) 12/25/2023   17:41:19  ( -74.67,  94.87)    3.45                17