Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 7.  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)
 01/09/2022   04:08:26   (  71.28, 116.90) 01/09/2022   04:09:36  (  71.16, 118.21)   49.10                70
 01/09/2022   04:59:00   ( -70.70, -74.79) 01/09/2022   04:59:12  ( -70.71, -74.84)    2.44                12
 01/09/2022   05:49:45   (  70.63,  92.62) 01/09/2022   05:48:39  (  70.61,  92.65)    2.98                66
 01/11/2022   19:35:29   ( -70.95,  65.71) 01/11/2022   19:36:40  ( -70.88,  66.03)   13.27                71
 01/11/2022   20:26:11   (  70.73,-126.62) 01/11/2022   20:26:08  (  70.72,-126.57)    1.80                 3
 01/11/2022   21:16:52   ( -70.50,  41.06) 01/11/2022   21:15:39  ( -70.56,  40.81)   11.07                73
 01/14/2022   11:02:37   (  70.83,  14.14) 01/14/2022   11:03:37  (  70.84,  14.20)    2.52                60
 01/14/2022   11:53:20   ( -70.70,-178.34) 01/14/2022   11:53:07  ( -70.72,-178.33)    2.47                13
 01/14/2022   12:43:53   (  70.01,  -9.94) 01/14/2022   12:42:44  (  70.06, -11.65)   65.09                69
 01/17/2022   02:29:45   ( -70.80, -37.59) 01/17/2022   02:30:36  ( -70.78, -37.65)    3.26                51
 01/17/2022   03:20:29   (  70.69, 129.90) 01/17/2022   03:20:02  (  70.72, 129.91)    2.93                27
 01/19/2022   17:56:55   (  70.79, -89.35) 01/19/2022   17:57:31  (  70.82, -89.33)    2.78                36
 01/19/2022   18:47:39   ( -70.72,  78.09) 01/19/2022   18:47:01  ( -70.71,  78.14)    1.95                38