Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 2 6.  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)
 02/06/2023   06:14:55   ( -72.83, -93.92) 02/06/2023   06:16:00  ( -72.85, -93.97)    3.27                65
 02/06/2023   07:05:40   (  72.76,  73.54) 02/06/2023   07:05:23  (  72.78,  73.55)    2.82                17
 02/08/2023   18:19:17   (  73.33, -96.05) 02/08/2023   18:20:26  (  73.19, -94.47)   52.72                69
 02/08/2023   19:09:52   ( -72.81,  72.40) 02/08/2023   19:09:57  ( -72.81,  72.44)    1.10                 5
 02/08/2023   20:00:34   (  72.59,-119.83) 02/08/2023   19:59:21  (  72.68,-120.15)   14.51                73
 02/11/2023   07:14:06   (  72.87,  71.26) 02/11/2023   07:14:29  (  72.86,  71.36)    3.68                23
 02/11/2023   08:04:49   ( -72.75,-121.18) 02/11/2023   08:03:55  ( -72.75,-121.19)    0.86                54
 02/13/2023   19:18:18   ( -72.88,  70.21) 02/13/2023   19:19:04  ( -72.85,  70.19)    3.38                46
 02/13/2023   20:09:02   (  72.77,-122.23) 02/13/2023   20:08:27  (  72.76,-122.32)    3.17                35
 02/16/2023   07:22:31   (  72.90,  69.15) 02/16/2023   07:23:35  (  72.89,  69.11)    1.76                64
 02/16/2023   08:13:15   ( -72.84,-123.40) 02/16/2023   08:13:00  ( -72.85,-123.32)    2.69                15
 02/18/2023   19:26:53   ( -73.42,  66.97) 02/18/2023   19:28:01  ( -73.33,  68.82)   59.77                68
 02/18/2023   20:17:28   (  72.86,-124.47) 02/18/2023   20:17:31  (  72.86,-124.46)    0.58                 3