Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 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)
 01/19/2022   17:56:55   (  70.81, -89.37) 01/19/2022   17:57:37  (  70.79, -89.41)    2.23                42
 01/19/2022   18:47:39   ( -70.74,  78.05) 01/19/2022   18:47:06  ( -70.73,  78.13)    3.14                33
 01/22/2022   09:24:04   ( -70.79,-141.12) 01/22/2022   09:24:38  ( -70.78,-141.20)    3.62                34
 01/22/2022   10:14:49   (  70.73,  26.29) 01/22/2022   10:14:04  (  70.73,  26.37)    3.06                45
 01/25/2022   00:51:13   (  70.79, 167.11) 01/25/2022   00:51:34  (  70.81, 167.10)    2.42                21
 01/25/2022   01:41:57   ( -70.72, -25.46) 01/25/2022   01:41:04  ( -70.70, -25.43)    2.65                53
 01/27/2022   15:27:48   (  71.38, -52.97) 01/27/2022   15:28:58  (  71.27, -51.58)   50.84                70
 01/27/2022   16:18:22   ( -70.79, 115.35) 01/27/2022   16:18:35  ( -70.78, 115.29)    2.30                13
 01/27/2022   17:09:06   (  70.67, -77.15) 01/27/2022   17:08:02  (  70.67, -77.23)    2.93                64
 01/30/2022   06:54:52   ( -71.11,-104.28) 01/30/2022   06:56:03  ( -71.02,-103.75)   21.78                71
 01/30/2022   07:45:32   (  70.79,  63.57) 01/30/2022   07:45:32  (  70.80,  63.55)    0.88                 0
 01/30/2022   08:36:15   ( -70.67,-128.92) 01/30/2022   08:35:02  ( -70.69,-128.97)    2.88                73
 02/01/2022   22:21:58   (  70.91,-155.71) 02/01/2022   22:23:02  (  70.91,-155.68)    1.27                64
 02/01/2022   23:12:41   ( -70.79,  11.80) 02/01/2022   23:12:32  ( -70.80,  11.80)    1.08                 9
 02/02/2022   00:03:16   (  70.21,-179.94) 02/02/2022   00:02:06  (  70.30, 178.70)   52.10                70