Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 11.  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)
 05/13/2022   05:19:13   ( -71.68, -80.53) 05/13/2022   05:20:25  ( -71.57, -79.85)   26.87                72
 05/13/2022   06:09:52   (  71.31,  87.45) 05/13/2022   06:09:55  (  71.31,  87.37)    2.98                 3
 05/13/2022   07:00:36   ( -71.25,-105.13) 05/13/2022   06:59:24  ( -71.24,-105.11)    1.60                72
 05/15/2022   20:46:14   (  71.46,-131.87) 05/15/2022   20:47:21  (  71.46,-131.78)    3.11                67
 05/15/2022   21:36:57   ( -71.34,  35.66) 05/15/2022   21:36:51  ( -71.34,  35.66)    0.16                 6
 05/15/2022   22:27:34   (  70.87,-156.22) 05/15/2022   22:26:24  (  70.91,-157.37)   42.14                70
 05/18/2022   12:13:19   ( -71.43, 176.43) 05/18/2022   12:14:19  ( -71.43, 176.41)    0.93                60
 05/18/2022   13:04:03   (  71.33, -16.08) 05/18/2022   13:03:46  (  71.32, -16.12)    1.69                17
 05/18/2022   13:54:34   ( -70.58, 152.50) 05/18/2022   13:53:26  ( -70.66, 150.49)   74.57                68
 05/21/2022   03:40:25   (  71.43, 124.68) 05/21/2022   03:41:13  (  71.45, 124.69)    2.02                48
 05/21/2022   04:31:09   ( -71.36, -67.88) 05/21/2022   04:30:43  ( -71.34, -67.86)    2.43                26
 05/23/2022   19:07:31   ( -71.46,  72.88) 05/23/2022   19:08:10  ( -71.45,  72.94)    2.28                39
 05/23/2022   19:58:15   (  71.36,-119.63) 05/23/2022   19:57:37  (  71.34,-119.60)    2.71                38