Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 20.  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)
 12/20/2023   17:33:18   ( -74.87,  96.09) 12/20/2023   17:34:30  ( -74.77,  96.86)   25.05                72
 12/20/2023   18:23:59   (  74.59, -95.81) 12/20/2023   18:23:55  (  74.59, -95.93)    3.58                 4
 12/20/2023   19:14:34   ( -74.15,  72.69) 12/20/2023   19:13:25  ( -74.18,  70.77)   58.43                69
 12/23/2023   05:37:09   (  74.69,  95.67) 12/23/2023   05:37:54  (  74.68,  95.76)    2.70                45
 12/23/2023   06:27:51   ( -74.58, -96.71) 12/23/2023   06:27:18  ( -74.58, -96.83)    3.61                33
 12/25/2023   17:41:01   ( -74.63,  94.90) 12/25/2023   17:41:18  ( -74.65,  94.80)    3.23                17
 12/25/2023   18:31:47   (  74.60, -97.70) 12/25/2023   18:30:40  (  74.61, -97.63)    2.26                67
 12/28/2023   04:54:11   ( -74.70, -73.52) 12/28/2023   04:55:18  ( -74.69, -73.64)    3.61                67
 12/28/2023   05:44:57   (  74.67,  93.87) 12/28/2023   05:44:40  (  74.65,  93.92)    3.02                17
 12/30/2023   16:58:06   (  74.70, -74.46) 12/30/2023   16:58:39  (  74.71, -74.46)    1.07                33
 12/30/2023   17:48:49   ( -74.62,  93.07) 12/30/2023   17:48:03  ( -74.62,  92.98)    2.78                46
 01/02/2024   04:11:24   (  75.16, 115.95) 01/02/2024   04:12:32  (  75.05, 117.87)   56.36                68
 01/02/2024   05:01:59   ( -74.70, -75.39) 01/02/2024   05:02:01  ( -74.71, -75.33)    1.90                 2