Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 8.  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)
 05/10/2022   13:52:13   (  71.98, -29.33) 05/10/2022   13:53:21  (  71.89, -27.54)   62.46                68
 05/10/2022   14:42:46   ( -71.35, 139.14) 05/10/2022   14:42:59  ( -71.34, 139.17)    1.62                13
 05/10/2022   15:33:30   (  71.24, -53.35) 05/10/2022   15:32:26  (  71.24, -53.34)    0.40                64
 05/13/2022   05:19:13   ( -71.69, -80.54) 05/13/2022   05:20:24  ( -71.61, -79.78)   28.30                71
 05/13/2022   06:09:52   (  71.33,  87.42) 05/13/2022   06:09:54  (  71.34,  87.43)    1.51                 2
 05/13/2022   07:00:35   ( -71.21,-105.06) 05/13/2022   06:59:24  ( -71.23,-105.13)    3.01                71
 05/15/2022   20:46:13   (  71.43,-131.81) 05/15/2022   20:47:21  (  71.43,-131.82)    0.53                68
 05/15/2022   21:36:56   ( -71.30,  35.72) 05/15/2022   21:36:51  ( -71.32,  35.63)    3.54                 5
 05/15/2022   22:27:34   (  70.89,-156.26) 05/15/2022   22:26:23  (  70.94,-157.33)   39.29                71
 05/18/2022   12:13:19   ( -71.46, 176.39) 05/18/2022   12:14:18  ( -71.45, 176.44)    2.26                59
 05/18/2022   13:04:03   (  71.36, -16.13) 05/18/2022   13:03:45  (  71.34, -16.09)    2.66                18
 05/18/2022   13:54:34   ( -70.61, 152.46) 05/18/2022   13:53:26  ( -70.63, 150.45)   74.45                68
 05/21/2022   03:40:25   (  71.47, 124.62) 05/21/2022   03:41:12  (  71.45, 124.70)    3.58                47
 05/21/2022   04:31:08   ( -71.34, -67.84) 05/21/2022   04:30:42  ( -71.34, -67.85)    0.16                26