Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 2 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)
 02/18/2023   19:26:47   ( -73.25,  67.37) 02/18/2023   19:27:58  ( -73.12,  68.41)   36.69                71
 02/18/2023   20:17:26   (  72.88,-124.50) 02/18/2023   20:17:24  (  72.86,-124.42)    2.81                 2
 02/18/2023   21:08:05   ( -72.57,  43.46) 02/18/2023   21:06:53  ( -72.60,  42.73)   24.55                72
 02/21/2023   08:21:36   ( -72.86,-125.48) 02/21/2023   08:21:55  ( -72.86,-125.58)    3.33                19
 02/21/2023   09:12:21   (  72.78,  41.99) 02/21/2023   09:11:17  (  72.81,  41.99)    3.20                64
 02/23/2023   20:25:49   (  72.94,-126.66) 02/23/2023   20:26:21  (  72.91,-126.61)    2.91                32
 02/23/2023   21:16:32   ( -72.83,  40.88) 02/23/2023   21:15:47  ( -72.82,  40.86)    1.57                45
 02/26/2023   08:29:59   ( -72.95,-127.69) 02/26/2023   08:30:50  ( -72.93,-127.72)    2.20                51
 02/26/2023   09:20:44   (  72.87,  39.78) 02/26/2023   09:20:12  (  72.87,  39.82)    1.24                32
 02/28/2023   20:34:10   (  73.00,-128.82) 02/28/2023   20:35:13  (  72.98,-128.76)    3.18                63
 02/28/2023   21:24:53   ( -72.90,  38.71) 02/28/2023   21:24:39  ( -72.90,  38.73)    0.71                14