Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 21.  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)
 01/22/2022   09:24:04   ( -70.79,-141.11) 01/22/2022   09:24:38  ( -70.78,-141.19)    3.26                34
 01/22/2022   10:14:49   (  70.73,  26.30) 01/22/2022   10:14:04  (  70.73,  26.38)    3.01                45
 01/25/2022   00:51:13   (  70.79, 167.12) 01/25/2022   00:51:35  (  70.77, 167.04)    3.61                22
 01/25/2022   01:41:57   ( -70.72, -25.46) 01/25/2022   01:41:04  ( -70.71, -25.42)    1.87                53
 01/27/2022   15:27:49   (  71.42, -53.05) 01/27/2022   15:28:58  (  71.29, -51.55)   55.37                69
 01/27/2022   16:18:22   ( -70.79, 115.36) 01/27/2022   16:18:35  ( -70.80, 115.31)    2.38                13
 01/27/2022   17:09:06   (  70.67, -77.14) 01/27/2022   17:08:02  (  70.69, -77.21)    3.37                64
 01/30/2022   06:54:52   ( -71.11,-104.27) 01/30/2022   06:56:03  ( -71.04,-103.71)   21.47                71
 01/30/2022   07:45:32   (  70.79,  63.58) 01/30/2022   07:45:33  (  70.77,  63.51)    3.34                 1
 01/30/2022   08:36:15   ( -70.67,-128.91) 01/30/2022   08:35:03  ( -70.66,-129.02)    4.08                72
 02/01/2022   22:21:58   (  70.91,-155.70) 02/01/2022   22:23:03  (  70.89,-155.70)    1.64                65
 02/01/2022   23:12:41   ( -70.79,  11.81) 02/01/2022   23:12:33  ( -70.79,  11.77)    1.49                 8
 02/02/2022   00:03:17   (  70.25, 179.99) 02/02/2022   00:02:07  (  70.29, 178.68)   49.22                70