Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 28.  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)
 04/30/2022   00:54:22   ( -71.33, -13.81) 04/30/2022   00:55:12  ( -71.32, -13.82)    1.34                50
 04/30/2022   01:45:05   (  71.21, 153.71) 04/30/2022   01:44:38  (  71.22, 153.67)    2.18                27
 05/02/2022   16:21:28   (  71.33, -65.57) 05/02/2022   16:22:07  (  71.34, -65.55)    1.19                39
 05/02/2022   17:12:11   ( -71.22, 101.94) 05/02/2022   17:11:37  ( -71.22, 101.90)    1.38                34
 05/05/2022   07:48:34   ( -71.34,-117.34) 05/05/2022   07:49:06  ( -71.32,-117.35)    2.90                32
 05/05/2022   08:39:18   (  71.23,  50.16) 05/05/2022   08:38:33  (  71.21,  50.13)    2.70                45
 05/07/2022   23:15:40   (  71.32,-169.05) 05/07/2022   23:16:01  (  71.33,-169.07)    1.82                21
 05/08/2022   00:06:24   ( -71.25,  -1.62) 05/08/2022   00:05:31  ( -71.22,  -1.61)    2.70                53
 05/10/2022   13:52:13   (  71.98, -29.33) 05/10/2022   13:53:21  (  71.87, -27.58)   61.45                68
 05/10/2022   14:42:46   ( -71.33, 139.17) 05/10/2022   14:42:59  ( -71.32, 139.15)    1.13                13
 05/10/2022   15:33:30   (  71.23, -53.35) 05/10/2022   15:32:26  (  71.21, -53.38)    2.83                64