Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 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)
 03/18/2022   19:21:54   ( -71.12,  69.31) 03/18/2022   19:22:31  ( -71.10,  69.37)    3.39                37
 03/18/2022   20:12:39   (  70.98,-123.16) 03/18/2022   20:11:58  (  71.00,-123.13)    1.90                41
 03/21/2022   10:49:03   (  71.07,  17.62) 03/21/2022   10:49:27  (  71.10,  17.63)    3.44                24
 03/21/2022   11:39:45   ( -70.97,-174.89) 03/21/2022   11:38:57  ( -70.98,-174.92)    1.88                48
 03/24/2022   01:25:39   (  71.78, 157.28) 03/24/2022   01:26:47  (  71.68, 159.16)   66.72                68
 03/24/2022   02:16:09   ( -71.06, -34.11) 03/24/2022   02:16:26  ( -71.07, -34.18)    3.29                17
 03/24/2022   03:06:55   (  70.98, 133.32) 03/24/2022   03:05:53  (  70.97, 133.30)    1.72                62
 03/26/2022   16:52:40   ( -71.51, 106.03) 03/26/2022   16:53:51  ( -71.37, 106.89)   34.31                71
 03/26/2022   17:43:19   (  71.08, -85.91) 03/26/2022   17:43:21  (  71.10, -85.89)    2.36                 2
 03/26/2022   18:34:01   ( -70.97,  81.59) 03/26/2022   18:32:51  ( -70.99,  81.57)    2.21                70
 03/29/2022   08:19:42   (  71.18,  54.84) 03/29/2022   08:20:49  (  71.16,  54.81)    2.36                67
 03/29/2022   09:10:25   ( -71.11,-137.73) 03/29/2022   09:10:18  ( -71.10,-137.65)    3.25                 7
 03/29/2022   10:01:02   (  70.58,  30.47) 03/29/2022   09:59:52  (  70.61,  29.24)   45.38                70