Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 1 25.  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)
 01/27/2023   05:07:19   (  72.82, 102.88) 01/27/2023   05:08:16  (  72.79, 102.95)    3.29                57
 01/27/2023   05:58:02   ( -72.70, -89.55) 01/27/2023   05:57:41  ( -72.71, -89.56)    1.48                21
 01/29/2023   17:11:37   ( -73.15, 101.15) 01/29/2023   17:12:47  ( -73.04, 102.26)   37.67                70
 01/29/2023   18:02:15   (  72.73, -90.65) 01/29/2023   18:02:15  (  72.72, -90.72)    2.93                 0
 01/29/2023   18:52:55   ( -72.46,  77.22) 01/29/2023   18:51:42  ( -72.53,  76.60)   22.49                73
 02/01/2023   06:06:28   ( -72.77, -91.75) 02/01/2023   06:06:50  ( -72.78, -91.77)    0.79                22
 02/01/2023   06:57:13   (  72.71,  75.68) 02/01/2023   06:56:13  (  72.71,  75.75)    2.45                60
 02/03/2023   18:10:41   (  72.78, -92.80) 02/03/2023   18:11:23  (  72.80, -92.89)    3.38                42
 02/03/2023   19:01:25   ( -72.71,  74.67) 02/03/2023   19:00:48  ( -72.74,  74.64)    3.09                37
 02/06/2023   06:14:54   ( -72.84, -93.94) 02/06/2023   06:15:57  ( -72.85, -93.96)    1.38                63
 02/06/2023   07:05:39   (  72.78,  73.49) 02/06/2023   07:05:20  (  72.77,  73.54)    2.59                19