Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 1 7.  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)
 01/09/2023   14:56:09   ( -72.68, 135.75) 01/09/2023   14:57:02  ( -72.71, 135.76)    3.42                53
 01/09/2023   15:46:54   (  72.60, -56.77) 01/09/2023   15:46:26  (  72.61, -56.76)    1.41                28
 01/12/2023   03:00:29   (  72.93, 134.19) 01/12/2023   03:01:40  (  72.85, 134.84)   22.77                71
 01/12/2023   03:51:09   ( -72.66, -57.94) 01/12/2023   03:51:07  ( -72.66, -57.87)    2.25                 2
 01/12/2023   04:41:47   (  72.23, 110.25) 01/12/2023   04:40:36  (  72.29, 109.11)   38.98                71
 01/14/2023   15:55:23   (  72.67, -58.98) 01/14/2023   15:55:46  (  72.67, -59.04)    2.07                23
 01/14/2023   16:46:07   ( -72.60, 108.47) 01/14/2023   16:45:11  ( -72.59, 108.46)    1.99                56
 01/17/2023   03:59:38   ( -72.74, -60.15) 01/17/2023   04:00:26  ( -72.73, -60.12)    1.45                48
 01/17/2023   04:50:22   (  72.62, 107.40) 01/17/2023   04:49:50  (  72.62, 107.34)    2.12                32
 01/19/2023   16:03:53   (  72.77, -61.24) 01/19/2023   16:05:04  (  72.79, -61.19)    3.06                71
 01/19/2023   16:54:37   ( -72.69, 106.23) 01/19/2023   16:54:30  ( -72.66, 106.22)    3.34                 7