Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 9 30.  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)
 09/30/2022   04:50:29   (  72.12, 107.17) 09/30/2022   04:50:34  (  72.13, 107.25)    2.79                 5
 09/30/2022   05:41:12   ( -72.01, -85.30) 09/30/2022   05:40:04  ( -72.00, -85.34)    1.52                68
 10/02/2022   19:26:49   (  72.31,-112.24) 10/02/2022   19:28:00  (  72.25,-111.93)   12.37                71
 10/02/2022   20:17:30   ( -72.10,  55.49) 10/02/2022   20:17:30  ( -72.13,  55.48)    3.16                 0
 10/02/2022   21:08:11   (  71.84,-136.70) 10/02/2022   21:06:59  (  71.92,-137.23)   20.61                72
 10/05/2022   10:53:49   ( -72.24,-163.83) 10/05/2022   10:54:56  ( -72.23,-163.73)    3.37                67
 10/05/2022   11:44:33   (  72.13,   3.69) 10/05/2022   11:44:23  (  72.13,   3.74)    1.55                10
 10/05/2022   12:35:09   ( -71.66, 171.89) 10/05/2022   12:33:58  ( -71.74, 170.70)   42.53                71
 10/08/2022   02:20:51   (  72.22, 144.47) 10/08/2022   02:21:49  (  72.21, 144.49)    1.79                58
 10/08/2022   03:11:34   ( -72.11, -48.00) 10/08/2022   03:11:18  ( -72.14, -47.99)    3.28                16
 10/08/2022   04:02:04   (  71.28, 120.84) 10/08/2022   04:00:58  (  71.34, 118.30)   90.95                66
 10/10/2022   17:47:51   ( -72.21,  92.77) 10/10/2022   17:48:43  ( -72.20,  92.73)    1.36                52
 10/10/2022   18:38:36   (  72.15, -99.81) 10/10/2022   18:38:09  (  72.15, -99.71)    3.29                27
 10/13/2022   09:14:53   (  72.20,  41.05) 10/13/2022   09:15:35  (  72.20,  40.97)    2.78                42
 10/13/2022   10:05:37   ( -72.14,-151.52) 10/13/2022   10:05:04  ( -72.13,-151.50)    1.39                33