Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 28.  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)
 03/28/2023   11:01:20   ( -73.12,-165.53) 03/28/2023   11:02:01  ( -73.14,-165.44)    3.30                41
 03/28/2023   11:52:05   (  73.01,   2.03) 03/28/2023   11:51:24  (  73.03,   2.01)    2.94                41
 03/30/2023   23:05:29   (  73.12,-166.53) 03/30/2023   23:06:17  (  73.11,-166.59)    2.31                48
 03/30/2023   23:56:12   ( -73.06,   0.93) 03/30/2023   23:55:42  ( -73.05,   0.95)    1.03                30
 04/02/2023   11:09:35   ( -73.13,-167.54) 04/02/2023   11:10:34  ( -73.14,-167.63)    2.90                59
 04/02/2023   12:00:21   (  73.07,  -0.11) 04/02/2023   11:59:56  (  73.09,  -0.07)    1.88                25
 04/04/2023   23:13:43   (  73.16,-168.60) 04/04/2023   23:14:46  (  73.19,-168.62)    3.17                63
 04/05/2023   00:04:26   ( -73.09,  -1.14) 04/05/2023   00:04:12  ( -73.07,  -1.19)    2.78                14
 04/07/2023   11:17:50   ( -73.24,-169.76) 04/07/2023   11:19:01  ( -73.24,-169.61)    4.87                71
 04/07/2023   12:08:35   (  73.13,  -2.23) 04/07/2023   12:08:24  (  73.13,  -2.16)    2.14                11
 04/07/2023   12:59:07   ( -72.51, 166.42) 04/07/2023   12:57:59  ( -72.54, 164.36)   68.91                68
 04/09/2023   23:22:01   (  73.39,-171.11) 04/09/2023   23:23:12  (  73.31,-170.55)   20.34                71
 04/10/2023   00:12:40   ( -73.12,  -3.18) 04/10/2023   00:12:39  ( -73.13,  -3.24)    2.65                 1