Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 4.  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)
 05/05/2022   07:48:34   ( -71.33,-117.32) 05/05/2022   07:49:06  ( -71.34,-117.31)    1.00                32
 05/05/2022   08:39:18   (  71.21,  50.20) 05/05/2022   08:38:33  (  71.24,  50.17)    3.39                45
 05/07/2022   23:15:40   (  71.34,-169.10) 05/07/2022   23:16:01  (  71.32,-169.09)    2.61                21
 05/08/2022   00:06:23   ( -71.23,  -1.59) 05/08/2022   00:05:30  ( -71.26,  -1.56)    3.10                53
 05/10/2022   13:52:13   (  72.00, -29.37) 05/10/2022   13:53:21  (  71.87, -27.58)   63.41                68
 05/10/2022   14:42:45   ( -71.31, 139.21) 05/10/2022   14:42:59  ( -71.32, 139.15)    2.42                14
 05/10/2022   15:33:29   (  71.21, -53.30) 05/10/2022   15:32:26  (  71.22, -53.38)    3.11                63
 05/13/2022   05:19:13   ( -71.71, -80.58) 05/13/2022   05:20:24  ( -71.59, -79.82)   29.88                71
 05/13/2022   06:09:51   (  71.30,  87.47) 05/13/2022   06:09:54  (  71.32,  87.39)    3.60                 3
 05/13/2022   07:00:35   ( -71.23,-105.09) 05/13/2022   06:59:23  ( -71.26,-105.07)    3.39                72
 05/15/2022   20:46:14   (  71.45,-131.86) 05/15/2022   20:47:21  (  71.45,-131.79)    2.42                67
 05/15/2022   21:36:57   ( -71.32,  35.68) 05/15/2022   21:36:51  ( -71.34,  35.67)    1.95                 6
 05/15/2022   22:27:34   (  70.86,-156.21) 05/15/2022   22:26:24  (  70.90,-157.38)   42.81                70