Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 18.  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)
 03/18/2022   19:21:53   ( -71.07,  69.39) 03/18/2022   19:22:31  ( -71.09,  69.37)    2.85                38
 03/18/2022   20:12:39   (  70.99,-123.16) 03/18/2022   20:11:58  (  71.00,-123.14)    1.48                41
 03/21/2022   10:49:03   (  71.07,  17.62) 03/21/2022   10:49:27  (  71.10,  17.62)    3.50                24
 03/21/2022   11:39:45   ( -70.97,-174.89) 03/21/2022   11:38:57  ( -70.98,-174.93)    1.84                48
 03/24/2022   01:25:39   (  71.78, 157.29) 03/24/2022   01:26:47  (  71.68, 159.16)   66.42                68
 03/24/2022   02:16:10   ( -71.10, -34.19) 03/24/2022   02:16:26  ( -71.08, -34.18)    3.25                16
 03/24/2022   03:06:55   (  70.98, 133.33) 03/24/2022   03:05:53  (  70.97, 133.30)    1.21                62
 03/26/2022   16:52:40   ( -71.50, 106.04) 03/26/2022   16:53:51  ( -71.37, 106.90)   33.53                71
 03/26/2022   17:43:19   (  71.07, -85.90) 03/26/2022   17:43:22  (  71.05, -85.97)    3.33                 3
 03/26/2022   18:34:02   ( -71.01,  81.51) 03/26/2022   18:32:51  ( -70.99,  81.57)    3.11                71
 03/29/2022   08:19:42   (  71.16,  54.87) 03/29/2022   08:20:49  (  71.17,  54.83)    1.69                67
 03/29/2022   09:10:25   ( -71.10,-137.71) 03/29/2022   09:10:18  ( -71.12,-137.63)    3.32                 7
 03/29/2022   10:01:02   (  70.57,  30.49) 03/29/2022   09:59:52  (  70.62,  29.26)   45.81                70
 03/31/2022   23:46:49   ( -71.19,   3.06) 03/31/2022   23:47:47  ( -71.17,   3.07)    2.42                58
 04/01/2022   00:37:34   (  71.08, 170.55) 04/01/2022   00:37:14  (  71.06, 170.53)    2.86                20