Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 4 26.  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)
 04/27/2023   12:41:23   (  73.27, -10.47) 04/27/2023   12:41:53  (  73.29, -10.45)    1.70                30
 04/27/2023   13:32:06   ( -73.20, 157.00) 04/27/2023   13:31:18  ( -73.18, 156.99)    2.69                48
 04/30/2023   00:45:27   ( -73.29, -11.50) 04/30/2023   00:46:02  ( -73.29, -11.50)    0.48                35
 04/30/2023   01:36:12   (  73.20, 156.02) 04/30/2023   01:35:25  (  73.22, 156.02)    2.14                47
 05/02/2023   12:49:33   (  73.31, -12.53) 05/02/2023   12:50:09  (  73.30, -12.55)    2.01                36
 05/02/2023   13:40:16   ( -73.23, 154.97) 05/02/2023   13:39:33  ( -73.24, 155.00)    1.67                43
 05/05/2023   00:53:37   ( -73.35, -13.60) 05/05/2023   00:54:16  ( -73.34, -13.52)    2.97                39
 05/05/2023   01:44:22   (  73.27, 153.89) 05/05/2023   01:43:39  (  73.26, 153.99)    3.29                43
 05/07/2023   12:57:40   (  73.31, -14.49) 05/07/2023   12:58:21  (  73.32, -14.60)    3.49                41
 05/07/2023   13:48:24   ( -73.27, 152.92) 05/07/2023   13:47:45  ( -73.27, 152.96)    1.26                39
 05/10/2023   01:01:44   ( -73.37, -15.59) 05/10/2023   01:02:27  ( -73.35, -15.59)    1.52                43