Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 6.  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   23:15:41   (  71.34,-169.09) 05/07/2022   23:16:02  (  71.31,-169.10)    3.03                21
 05/08/2022   00:06:23   ( -71.23,  -1.58) 05/08/2022   00:05:30  ( -71.24,  -1.58)    1.96                53
 05/10/2022   13:52:12   (  71.94, -29.26) 05/10/2022   13:53:21  (  71.85, -27.61)   57.90                69
 05/10/2022   14:42:46   ( -71.36, 139.12) 05/10/2022   14:42:58  ( -71.36, 139.20)    2.87                12
 05/10/2022   15:33:30   (  71.25, -53.38) 05/10/2022   15:32:25  (  71.25, -53.32)    2.19                65
 05/13/2022   05:19:12   ( -71.65, -80.46) 05/13/2022   05:20:24  ( -71.55, -79.87)   23.35                72
 05/13/2022   06:09:52   (  71.34,  87.40) 05/13/2022   06:09:53  (  71.34,  87.43)    0.86                 1
 05/13/2022   07:00:35   ( -71.22,-105.07) 05/13/2022   06:59:23  ( -71.23,-105.12)    2.15                72
 05/15/2022   20:46:14   (  71.43,-131.83) 05/15/2022   20:47:21  (  71.41,-131.86)    3.28                67
 05/15/2022   21:36:58   ( -71.36,  35.62) 05/15/2022   21:36:50  ( -71.35,  35.68)    2.51                 8
 05/15/2022   22:27:34   (  70.84,-156.18) 05/15/2022   22:26:23  (  70.91,-157.36)   43.76                71
 05/18/2022   12:13:20   ( -71.46, 176.39) 05/18/2022   12:14:17  ( -71.45, 176.45)    2.44                57
 05/18/2022   13:04:04   (  71.36, -16.13) 05/18/2022   13:03:44  (  71.34, -16.09)    3.02                20