Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 9 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)
 09/19/2022   15:02:21   (  72.09, -45.85) 09/19/2022   15:02:54  (  72.08, -45.82)    2.12                33
 09/19/2022   15:53:04   ( -71.98, 121.69) 09/19/2022   15:52:23  ( -72.01, 121.70)    3.52                41
 09/22/2022   06:29:23   ( -72.10, -97.58) 09/22/2022   06:29:51  ( -72.09, -97.56)    1.19                28
 09/22/2022   07:20:07   (  72.00,  69.92) 09/22/2022   07:19:18  (  71.99,  69.91)    1.12                49
 09/24/2022   21:56:26   (  72.12,-149.37) 09/24/2022   21:56:45  (  72.10,-149.29)    3.38                19
 09/24/2022   22:47:09   ( -72.00,  18.18) 09/24/2022   22:46:15  ( -71.99,  18.15)    1.87                54
 09/27/2022   12:32:56   (  72.81,  -9.80) 09/27/2022   12:34:03  (  72.69,  -7.62)   73.29                67
 09/27/2022   13:23:27   ( -72.08, 158.99) 09/27/2022   13:23:42  ( -72.09, 158.93)    2.53                15
 09/27/2022   14:14:11   (  71.98, -33.51) 09/27/2022   14:13:09  (  71.99, -33.61)    3.24                62
 09/30/2022   03:59:52   ( -72.56, -61.02) 09/30/2022   04:01:02  ( -72.50, -59.72)   43.95                70
 09/30/2022   04:50:29   (  72.11, 107.19) 09/30/2022   04:50:34  (  72.13, 107.25)    2.73                 5
 09/30/2022   05:41:12   ( -71.99, -85.27) 09/30/2022   05:40:04  ( -72.02, -85.31)    3.29                68