Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 5.  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)
 09/07/2023   00:04:22   (  74.06, 178.84) 09/07/2023   00:05:25  (  74.08, 178.88)    2.60                63
 09/07/2023   00:55:06   ( -74.02, -13.75) 09/07/2023   00:54:49  ( -74.01, -13.64)    3.71                17
 09/09/2023   12:08:24   ( -74.05, 177.90) 09/09/2023   12:09:18  ( -74.07, 177.86)    3.15                54
 09/09/2023   12:59:09   (  73.98, -14.61) 09/09/2023   12:58:41  (  74.00, -14.65)    2.48                28
 09/12/2023   00:12:28   (  74.06, 176.88) 09/12/2023   00:13:09  (  74.09, 176.90)    2.44                41
 09/12/2023   01:03:12   ( -74.01, -15.67) 09/12/2023   01:02:33  ( -74.02, -15.60)    2.53                39
 09/14/2023   12:16:30   ( -74.10, 175.82) 09/14/2023   12:17:00  ( -74.09, 175.91)    2.83                30
 09/14/2023   13:07:14   (  73.99, -16.60) 09/14/2023   13:06:23  (  74.00, -16.62)    1.44                51
 09/17/2023   00:20:33   (  74.09, 174.87) 09/17/2023   00:20:50  (  74.10, 174.94)    2.29                17