Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 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)
 02/07/2022   05:16:16   (  70.90, 100.78) 02/07/2022   05:16:59  (  70.90, 100.77)    0.36                43
 02/07/2022   06:06:59   ( -70.81, -91.75) 02/07/2022   06:06:29  ( -70.78, -91.78)    3.37                30
 02/09/2022   20:43:24   ( -70.88,  49.04) 02/09/2022   20:43:58  ( -70.91,  49.04)    3.53                34
 02/09/2022   21:34:09   (  70.79,-143.50) 02/09/2022   21:33:25  (  70.81,-143.48)    2.21                44
 02/12/2022   12:10:33   (  70.87,  -2.71) 02/12/2022   12:10:54  (  70.88,  -2.77)    2.40                21
 02/12/2022   13:01:16   ( -70.78, 164.75) 02/12/2022   13:00:24  ( -70.76, 164.69)    2.98                52
 02/15/2022   02:47:07   (  71.42, 137.26) 02/15/2022   02:48:17  (  71.31, 138.52)   46.03                70
 02/15/2022   03:37:41   ( -70.86, -54.46) 02/15/2022   03:37:53  ( -70.88, -54.54)    2.96                12
 02/15/2022   04:28:26   (  70.77, 113.00) 02/15/2022   04:27:20  (  70.77, 112.94)    2.26                66
 02/17/2022   18:14:09   ( -71.11,  86.05) 02/17/2022   18:15:20  ( -71.08,  86.39)   12.45                71
 02/17/2022   19:04:52   (  70.91,-106.31) 02/17/2022   19:04:48  (  70.92,-106.23)    3.08                 4
 02/17/2022   19:55:32   ( -70.67,  61.41) 02/17/2022   19:54:20  ( -70.70,  61.08)   12.79                72