Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 4 5.  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)
 04/07/2023   11:17:49   ( -73.22,-169.74) 04/07/2023   11:19:01  ( -73.22,-169.65)    2.87                72
 04/07/2023   12:08:34   (  73.11,  -2.18) 04/07/2023   12:08:24  (  73.12,  -2.18)    1.68                10
 04/07/2023   12:59:06   ( -72.50, 166.44) 04/07/2023   12:57:58  ( -72.57, 164.42)   68.00                68
 04/09/2023   23:22:01   (  73.42,-171.19) 04/09/2023   23:23:12  (  73.32,-170.53)   23.99                71
 04/10/2023   00:12:40   ( -73.16,  -3.28) 04/10/2023   00:12:39  ( -73.13,  -3.24)    3.10                 1
 04/10/2023   01:03:18   (  72.70, 165.03) 04/10/2023   01:02:08  (  72.72, 163.62)   46.79                70
 04/12/2023   11:26:12   ( -73.73,-172.89) 04/12/2023   11:27:21  ( -73.61,-171.02)   60.10                69
 04/12/2023   12:16:48   (  73.17,  -4.30) 04/12/2023   12:16:51  (  73.15,  -4.30)    3.19                 3
 04/12/2023   13:07:29   ( -73.01, 163.38) 04/12/2023   13:06:16  ( -73.07, 163.20)    8.77                73
 04/14/2023   23:30:23   (  73.90,-174.32) 04/14/2023   23:31:29  (  73.80,-171.68)   82.53                66
 04/15/2023   00:20:53   ( -73.19,  -5.33) 04/15/2023   00:21:04  ( -73.19,  -5.29)    1.30                11
 04/15/2023   01:11:38   (  73.09, 162.21) 04/15/2023   01:10:27  (  73.10, 162.19)    1.47                71
 04/17/2023   12:25:00   (  73.18,  -6.31) 04/17/2023   12:25:15  (  73.19,  -6.36)    1.78                15