Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 18.  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)
 02/20/2022   09:41:16   (  70.98,  34.50) 02/20/2022   09:42:17  (  71.01,  34.51)    3.54                61
 02/20/2022   10:31:59   ( -70.91,-158.07) 02/20/2022   10:31:47  ( -70.89,-158.04)    2.57                12
 02/20/2022   11:22:33   (  70.22,  10.35) 02/20/2022   11:21:24  (  70.24,   8.64)   64.37                69
 02/23/2022   01:08:24   ( -71.00, -17.31) 02/23/2022   01:09:16  ( -70.97, -17.30)    3.46                52
 02/23/2022   01:59:09   (  70.89, 150.19) 02/23/2022   01:58:43  (  70.87, 150.18)    2.48                26
 02/25/2022   16:35:33   (  70.99, -69.05) 02/25/2022   16:36:10  (  71.00, -69.02)    1.67                37
 02/25/2022   17:26:15   ( -70.87,  98.46) 02/25/2022   17:25:40  ( -70.88,  98.44)    1.45                35
 02/28/2022   08:02:40   ( -70.97,-120.79) 02/28/2022   08:03:09  ( -70.95,-120.85)    3.41                29
 02/28/2022   08:53:26   (  70.91,  46.63) 02/28/2022   08:52:35  (  70.89,  46.71)    3.52                51
 03/02/2022   22:39:18   ( -71.75,  18.76) 03/02/2022   22:40:26  ( -71.66,  20.89)   74.99                68
 03/02/2022   23:29:50   (  70.96,-172.54) 03/02/2022   23:30:04  (  70.95,-172.60)    2.50                14
 03/03/2022   00:20:33   ( -70.90,  -5.11) 03/03/2022   00:19:33  ( -70.89,  -5.05)    2.37                60