Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 1 27.  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   (  72.81, 102.89) 01/27/2023   05:08:16  (  72.79, 102.95)    3.07                57
 01/27/2023   05:58:02   ( -72.70, -89.55) 01/27/2023   05:57:41  ( -72.71, -89.56)    1.29                21
 01/29/2023   17:11:38   ( -73.14, 101.15) 01/29/2023   17:12:49  ( -73.00, 102.17)   36.42                71
 01/29/2023   18:02:16   (  72.73, -90.64) 01/29/2023   18:02:16  (  72.73, -90.70)    1.85                 0
 01/29/2023   18:52:55   ( -72.46,  77.23) 01/29/2023   18:51:43  ( -72.49,  76.51)   24.37                72
 02/01/2023   06:06:28   ( -72.76, -91.73) 02/01/2023   06:06:51  ( -72.75, -91.83)    3.32                23
 02/01/2023   06:57:13   (  72.70,  75.70) 02/01/2023   06:56:14  (  72.68,  75.71)    1.96                59
 02/03/2023   18:10:42   (  72.82, -92.87) 02/03/2023   18:11:24  (  72.80, -92.89)    1.82                42
 02/03/2023   19:01:26   ( -72.74,  74.60) 02/03/2023   19:00:49  ( -72.73,  74.63)    1.43                37
 02/06/2023   06:14:55   ( -72.86, -93.99) 02/06/2023   06:15:58  ( -72.88, -93.91)    3.53                63
 02/06/2023   07:05:39   (  72.76,  73.54) 02/06/2023   07:05:22  (  72.75,  73.50)    1.80                17
 02/08/2023   18:19:16   (  73.29, -95.96) 02/08/2023   18:20:25  (  73.18, -94.48)   48.96                69
 02/08/2023   19:09:52   ( -72.81,  72.40) 02/08/2023   19:09:56  ( -72.81,  72.44)    1.64                 4