Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 19.  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)
 03/21/2022   10:49:03   (  71.05,  17.65) 03/21/2022   10:49:28  (  71.07,  17.57)    3.53                25
 03/21/2022   11:39:46   ( -71.00,-174.95) 03/21/2022   11:38:57  ( -71.00,-174.90)    1.87                49
 03/24/2022   01:25:39   (  71.76, 157.32) 03/24/2022   01:26:47  (  71.70, 159.20)   66.04                68
 03/24/2022   02:16:10   ( -71.09, -34.16) 03/24/2022   02:16:26  ( -71.10, -34.15)    1.08                16
 03/24/2022   03:06:56   (  71.01, 133.27) 03/24/2022   03:05:53  (  70.99, 133.34)    3.33                63
 03/26/2022   16:52:39   ( -71.49, 106.06) 03/26/2022   16:53:50  ( -71.40, 106.93)   32.40                71
 03/26/2022   17:43:18   (  71.05, -85.87) 03/26/2022   17:43:21  (  71.07, -85.94)    3.05                 3
 03/26/2022   18:34:01   ( -71.00,  81.54) 03/26/2022   18:32:50  ( -71.01,  81.61)    2.99                71
 03/29/2022   08:19:43   (  71.20,  54.80) 03/29/2022   08:20:49  (  71.20,  54.86)    2.57                66
 03/29/2022   09:10:25   ( -71.09,-137.69) 03/29/2022   09:10:19  ( -71.09,-137.68)    0.74                 6
 03/29/2022   10:01:03   (  70.61,  30.42) 03/29/2022   09:59:52  (  70.65,  29.30)   41.78                71
 03/31/2022   23:46:49   ( -71.19,   3.07) 03/31/2022   23:47:47  ( -71.20,   3.11)    1.95                58
 04/01/2022   00:37:34   (  71.08, 170.57) 04/01/2022   00:37:14  (  71.09, 170.58)    1.22                20