Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 7.  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)
 05/07/2022   23:15:40   (  71.31,-169.05) 05/07/2022   23:16:01  (  71.35,-169.05)    3.58                21
 05/08/2022   00:06:23   ( -71.20,  -1.54) 05/08/2022   00:05:31  ( -71.22,  -1.61)    3.38                52
 05/10/2022   13:52:13   (  71.97, -29.31) 05/10/2022   13:53:22  (  71.84, -27.62)   59.75                69
 05/10/2022   14:42:46   ( -71.33, 139.16) 05/10/2022   14:42:59  ( -71.34, 139.18)    1.31                13
 05/10/2022   15:33:30   (  71.22, -53.33) 05/10/2022   15:32:26  (  71.24, -53.33)    2.18                64
 05/13/2022   05:19:13   ( -71.68, -80.52) 05/13/2022   05:20:25  ( -71.56, -79.87)   26.41                72
 05/13/2022   06:09:52   (  71.31,  87.45) 05/13/2022   06:09:54  (  71.34,  87.43)    3.40                 2
 05/13/2022   07:00:36   ( -71.25,-105.12) 05/13/2022   06:59:24  ( -71.23,-105.12)    1.89                72
 05/15/2022   20:46:13   (  71.41,-131.78) 05/15/2022   20:47:21  (  71.43,-131.83)    2.56                68
 05/15/2022   21:36:57   ( -71.34,  35.66) 05/15/2022   21:36:51  ( -71.32,  35.62)    2.67                 6
 05/15/2022   22:27:34   (  70.87,-156.23) 05/15/2022   22:26:23  (  70.93,-157.33)   40.73                71
 05/18/2022   12:13:19   ( -71.43, 176.42) 05/18/2022   12:14:18  ( -71.44, 176.43)    0.61                59
 05/18/2022   13:04:03   (  71.34, -16.09) 05/18/2022   13:03:45  (  71.33, -16.10)    1.06                18
 05/18/2022   13:54:34   ( -70.59, 152.50) 05/18/2022   13:53:26  ( -70.62, 150.43)   76.26                68
 05/21/2022   03:40:25   (  71.44, 124.66) 05/21/2022   03:41:12  (  71.43, 124.67)    1.27                47