Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 5.  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  ( -71.33,-117.33)    0.32                32
 05/05/2022   08:39:18   (  71.21,  50.19) 05/05/2022   08:38:33  (  71.23,  50.16)    2.54                45
 05/07/2022   23:15:41   (  71.34,-169.10) 05/07/2022   23:16:01  (  71.35,-169.04)    2.55                20
 05/08/2022   00:06:24   ( -71.23,  -1.59) 05/08/2022   00:05:31  ( -71.23,  -1.60)    0.41                53
 05/10/2022   13:52:12   (  71.95, -29.27) 05/10/2022   13:53:21  (  71.83, -27.65)   57.58                69
 05/10/2022   14:42:45   ( -71.31, 139.21) 05/10/2022   14:42:58  ( -71.33, 139.17)    2.76                13
 05/10/2022   15:33:30   (  71.25, -53.39) 05/10/2022   15:32:25  (  71.23, -53.35)    3.15                65
 05/13/2022   05:19:12   ( -71.66, -80.48) 05/13/2022   05:20:23  ( -71.57, -79.84)   24.24                71
 05/13/2022   06:09:52   (  71.35,  87.39) 05/13/2022   06:09:52  (  71.35,  87.45)    2.26                 0
 05/13/2022   07:00:35   ( -71.22,-105.08) 05/13/2022   06:59:22  ( -71.24,-105.10)    1.79                73
 05/15/2022   20:46:14   (  71.44,-131.84) 05/15/2022   20:47:19  (  71.45,-131.78)    2.44                65
 05/15/2022   21:36:57   ( -71.32,  35.69) 05/15/2022   21:36:49  ( -71.34,  35.67)    2.70                 8
 05/15/2022   22:27:33   (  70.80,-156.11) 05/15/2022   22:26:23  (  70.85,-157.45)   49.39                70
 05/18/2022   12:13:19   ( -71.42, 176.46) 05/18/2022   12:14:16  ( -71.42, 176.41)    1.77                57
 05/18/2022   13:04:03   (  71.32, -16.06) 05/18/2022   13:03:43  (  71.30, -16.13)    3.24                20