Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 9 19.  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)
 09/19/2022   15:02:21   (  72.09, -45.84) 09/19/2022   15:02:54  (  72.08, -45.81)    1.49                33
 09/19/2022   15:53:04   ( -71.98, 121.69) 09/19/2022   15:52:24  ( -71.96, 121.61)    3.42                40
 09/22/2022   06:29:23   ( -72.10, -97.58) 09/22/2022   06:29:51  ( -72.09, -97.56)    0.92                28
 09/22/2022   07:20:07   (  71.99,  69.92) 09/22/2022   07:19:18  (  71.99,  69.91)    0.46                49
 09/24/2022   21:56:26   (  72.12,-149.36) 09/24/2022   21:56:45  (  72.11,-149.28)    3.19                19
 09/24/2022   22:47:09   ( -72.00,  18.18) 09/24/2022   22:46:15  ( -71.99,  18.15)    1.28                54
 09/27/2022   12:32:56   (  72.81,  -9.80) 09/27/2022   12:34:03  (  72.70,  -7.61)   73.57                67
 09/27/2022   13:23:27   ( -72.08, 158.99) 09/27/2022   13:23:42  ( -72.10, 158.95)    2.80                15
 09/27/2022   14:14:10   (  71.98, -33.51) 09/27/2022   14:13:08  (  71.99, -33.59)    3.10                62
 09/30/2022   03:59:53   ( -72.62, -61.13) 09/30/2022   04:01:02  ( -72.51, -59.70)   48.91                69
 09/30/2022   04:50:29   (  72.11, 107.18) 09/30/2022   04:50:35  (  72.09, 107.17)    3.22                 6
 09/30/2022   05:41:13   ( -72.04, -85.37) 09/30/2022   05:40:04  ( -72.03, -85.30)    3.10                69
 10/02/2022   19:26:49   (  72.30,-112.23) 10/02/2022   19:28:00  (  72.27,-111.89)   12.07                71
 10/02/2022   20:17:31   ( -72.13,  55.42) 10/02/2022   20:17:31  ( -72.11,  55.45)    2.74                 0
 10/02/2022   21:08:12   (  71.88,-136.79) 10/02/2022   21:06:59  (  71.94,-137.19)   15.46                73