Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 17.  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)
 12/18/2023   06:20:03   ( -74.60, -94.91) 12/18/2023   06:20:31  ( -74.60, -95.03)    3.64                28
 12/18/2023   07:10:49   (  74.56,  72.52) 12/18/2023   07:09:53  (  74.56,  72.56)    1.11                56
 12/20/2023   17:33:19   ( -74.93,  95.94) 12/20/2023   17:34:30  ( -74.78,  96.88)   31.83                71
 12/20/2023   18:23:59   (  74.60, -95.83) 12/20/2023   18:23:55  (  74.59, -95.91)    2.52                 4
 12/20/2023   19:14:34   ( -74.15,  72.68) 12/20/2023   19:13:25  ( -74.19,  70.79)   57.33                69
 12/23/2023   05:37:09   (  74.64,  95.80) 12/23/2023   05:37:56  (  74.65,  95.70)    3.29                47
 12/23/2023   06:27:53   ( -74.63, -96.84) 12/23/2023   06:27:19  ( -74.61, -96.75)    2.98                34
 12/25/2023   17:41:03   ( -74.67,  94.79) 12/25/2023   17:41:20  ( -74.65,  94.81)    2.17                17
 12/25/2023   18:31:48   (  74.59, -97.68) 12/25/2023   18:30:42  (  74.61, -97.62)    2.93                66
 12/28/2023   04:54:12   ( -74.72, -73.60) 12/28/2023   04:55:19  ( -74.73, -73.54)    1.86                67
 12/28/2023   05:44:57   (  74.65,  93.92) 12/28/2023   05:44:42  (  74.63,  93.89)    1.88                15
 12/30/2023   16:58:07   (  74.71, -74.50) 12/30/2023   16:58:42  (  74.69, -74.52)    3.00                35
 12/30/2023   17:48:50   ( -74.63,  93.03) 12/30/2023   17:48:05  ( -74.65,  93.05)    2.13                45