Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 13.  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)
 01/14/2022   11:02:37   (  70.84,  14.12) 01/14/2022   11:03:37  (  70.83,  14.20)    2.72                60
 01/14/2022   11:53:20   ( -70.72,-178.37) 01/14/2022   11:53:07  ( -70.72,-178.35)    0.72                13
 01/14/2022   12:43:53   (  70.02,  -9.96) 01/14/2022   12:42:44  (  70.06, -11.65)   64.68                69
 01/17/2022   02:29:45   ( -70.82, -37.62) 01/17/2022   02:30:35  ( -70.82, -37.58)    1.42                50
 01/17/2022   03:20:29   (  70.70, 129.88) 01/17/2022   03:20:02  (  70.72, 129.90)    1.57                27
 01/19/2022   17:56:55   (  70.81, -89.38) 01/19/2022   17:57:31  (  70.81, -89.34)    1.34                36
 01/19/2022   18:47:38   ( -70.69,  78.14) 01/19/2022   18:47:01  ( -70.70,  78.12)    1.78                37
 01/22/2022   09:24:04   ( -70.79,-141.12) 01/22/2022   09:24:30  ( -70.80,-141.13)    0.41                26
 01/22/2022   10:14:48   (  70.69,  26.37) 01/22/2022   10:13:57  (  70.68,  26.35)    0.87                51
 01/25/2022   00:00:41   ( -71.47,  -1.38) 01/25/2022   00:01:50  ( -71.37,   0.38)   63.31                69
 01/25/2022   00:51:14   (  70.80, 167.10) 01/25/2022   00:51:26  (  70.77, 167.08)    3.07                12
 01/25/2022   01:41:57   ( -70.67, -25.38) 01/25/2022   01:40:56  ( -70.66, -25.44)    2.55                61