Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 4.  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)
 04/06/2022   06:41:04   ( -71.20,-100.47) 04/06/2022   06:41:46  ( -71.22,-100.41)    3.05                42
 04/06/2022   07:31:49   (  71.08,  67.03) 04/06/2022   07:31:14  (  71.07,  66.99)    2.52                35
 04/08/2022   22:08:13   (  71.20,-152.24) 04/08/2022   22:08:44  (  71.21,-152.19)    1.75                31
 04/08/2022   22:58:55   ( -71.08,  15.28) 04/08/2022   22:58:14  ( -71.09,  15.26)    1.20                41
 04/11/2022   13:35:18   ( -71.20, 156.01) 04/11/2022   13:35:43  ( -71.21, 156.04)    1.69                25
 04/11/2022   14:26:03   (  71.10, -36.50) 04/11/2022   14:25:10  (  71.10, -36.48)    1.23                53
 04/14/2022   04:11:55   ( -71.99, -64.49) 04/14/2022   04:13:02  ( -71.90, -62.22)   78.83                67
 04/14/2022   05:02:26   (  71.17, 104.30) 04/14/2022   05:02:40  (  71.20, 104.27)    2.91                14
 04/14/2022   05:53:09   ( -71.09, -88.25) 04/14/2022   05:52:10  ( -71.09, -88.27)    1.02                59
 04/16/2022   19:38:55   (  71.57,-115.47) 04/16/2022   19:40:06  (  71.48,-114.67)   29.52                71
 04/16/2022   20:29:33   ( -71.22,  52.47) 04/16/2022   20:29:39  ( -71.21,  52.53)    2.07                 6
 04/16/2022   21:20:17   (  71.08,-139.99) 04/16/2022   21:19:06  (  71.10,-140.01)    2.83                71