Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 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)
 02/23/2022   01:08:23   ( -70.98, -17.26) 02/23/2022   01:09:15  ( -71.00, -17.26)    2.50                52
 02/23/2022   01:59:09   (  70.91, 150.15) 02/23/2022   01:58:42  (  70.90, 150.23)    3.16                27
 02/25/2022   16:35:33   (  70.96, -69.00) 02/25/2022   16:36:11  (  70.97, -69.06)    2.37                38
 02/25/2022   17:26:16   ( -70.90,  98.42) 02/25/2022   17:25:40  ( -70.91,  98.48)    2.42                36
 02/28/2022   08:02:41   ( -71.00,-120.83) 02/28/2022   08:03:09  ( -70.97,-120.82)    3.04                28
 02/28/2022   08:53:26   (  70.88,  46.67) 02/28/2022   08:52:36  (  70.86,  46.66)    1.80                50
 03/02/2022   22:39:18   ( -71.77,  18.72) 03/02/2022   22:40:25  ( -71.68,  20.92)   77.78                67
 03/02/2022   23:29:50   (  70.98,-172.58) 03/02/2022   23:30:03  (  70.97,-172.56)    1.49                13
 03/03/2022   00:20:32   ( -70.87,  -5.07) 03/03/2022   00:19:33  ( -70.86,  -5.10)    1.78                59
 03/05/2022   14:06:18   (  71.25, -32.11) 03/05/2022   14:07:29  (  71.18, -31.63)   18.69                71
 03/05/2022   14:56:57   ( -70.98, 135.67) 03/05/2022   14:57:01  ( -70.96, 135.66)    2.14                 4
 03/05/2022   15:47:41   (  70.81, -56.73) 03/05/2022   15:46:28  (  70.85, -56.87)    6.59                73