Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 14.  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)
 05/15/2022   20:46:14   (  71.42,-131.80) 05/15/2022   20:47:22  (  71.44,-131.81)    2.13                68
 05/15/2022   21:36:58   ( -71.36,  35.63) 05/15/2022   21:36:51  ( -71.37,  35.71)    3.56                 7
 05/15/2022   22:27:35   (  70.88,-156.24) 05/15/2022   22:26:24  (  70.95,-157.31)   39.53                71
 05/18/2022   12:13:19   ( -71.45, 176.39) 05/18/2022   12:14:18  ( -71.45, 176.44)    1.79                59
 05/18/2022   13:04:03   (  71.35, -16.11) 05/18/2022   13:03:45  (  71.35, -16.08)    1.05                18
 05/18/2022   13:54:34   ( -70.60, 152.47) 05/18/2022   13:53:26  ( -70.63, 150.45)   74.73                68
 05/21/2022   03:40:25   (  71.45, 124.65) 05/21/2022   03:41:12  (  71.46, 124.71)    2.33                47
 05/21/2022   04:31:08   ( -71.33, -67.82) 05/21/2022   04:30:42  ( -71.34, -67.84)    1.67                26
 05/23/2022   19:07:30   ( -71.43,  72.93) 05/23/2022   19:08:09  ( -71.44,  72.92)    0.41                39
 05/23/2022   19:58:14   (  71.33,-119.58) 05/23/2022   19:57:36  (  71.33,-119.61)    1.21                38
 05/26/2022   10:34:36   (  71.45,  21.15) 05/26/2022   10:35:02  (  71.46,  21.21)    2.37                26
 05/26/2022   11:25:19   ( -71.32,-171.31) 05/26/2022   11:24:32  ( -71.35,-171.33)    3.12                47