Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 7.  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)
 09/09/2023   12:08:25   ( -74.08, 177.81) 09/09/2023   12:09:18  ( -74.08, 177.88)    2.09                53
 09/09/2023   12:59:10   (  74.01, -14.70) 09/09/2023   12:58:41  (  74.01, -14.62)    2.45                29
 09/12/2023   00:12:27   (  74.05, 176.91) 09/12/2023   00:13:09  (  74.04, 176.80)    3.67                42
 09/12/2023   01:03:11   ( -74.00, -15.65) 09/12/2023   01:02:32  ( -74.03, -15.58)    3.36                39
 09/14/2023   12:16:30   ( -74.09, 175.84) 09/14/2023   12:17:00  ( -74.09, 175.91)    2.20                30
 09/14/2023   13:07:14   (  73.98, -16.58) 09/14/2023   13:06:23  (  74.00, -16.62)    2.70                51
 09/17/2023   00:20:33   (  74.09, 174.88) 09/17/2023   00:20:50  (  74.09, 174.93)    1.57                17
 09/17/2023   01:11:17   ( -74.02, -17.65) 09/17/2023   01:10:14  ( -74.03, -17.54)    3.56                63
 09/19/2023   11:34:02   (  74.68,   5.02) 09/19/2023   11:35:09  (  74.57,   7.39)   70.97                67
 09/19/2023   12:24:35   ( -74.08, 173.92) 09/19/2023   12:24:41  ( -74.10, 173.96)    2.75                 6