Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 22.  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)
 02/23/2022   01:08:23   ( -70.99, -17.28) 02/23/2022   01:09:15  ( -70.99, -17.28)    0.34                52
 02/23/2022   01:59:08   (  70.87, 150.22) 02/23/2022   01:58:42  (  70.89, 150.21)    2.38                26
 02/25/2022   16:35:33   (  70.97, -69.02) 02/25/2022   16:36:11  (  70.96, -69.08)    2.33                38
 02/25/2022   17:26:16   ( -70.91,  98.40) 02/25/2022   17:25:40  ( -70.89,  98.46)    2.40                36
 02/28/2022   08:02:40   ( -70.96,-120.76) 02/28/2022   08:03:09  ( -70.95,-120.84)    3.06                29
 02/28/2022   08:53:26   (  70.89,  46.66) 02/28/2022   08:52:35  (  70.90,  46.72)    2.91                51
 03/02/2022   22:39:18   ( -71.73,  18.79) 03/02/2022   22:40:26  ( -71.66,  20.89)   73.71                68
 03/02/2022   23:29:50   (  70.99,-172.59) 03/02/2022   23:30:02  (  71.01,-172.51)    3.39                12
 03/03/2022   00:20:32   ( -70.88,  -5.09) 03/03/2022   00:19:32  ( -70.89,  -5.05)    1.92                60
 03/05/2022   14:06:18   (  71.26, -32.12) 03/05/2022   14:07:29  (  71.15, -31.67)   19.71                71
 03/05/2022   14:56:57   ( -70.99, 135.66) 03/05/2022   14:57:00  ( -70.99, 135.70)    1.68                 3
 03/05/2022   15:47:41   (  70.82, -56.75) 03/05/2022   15:46:28  (  70.82, -56.90)    5.81                73