Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 1 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)
 01/07/2023   02:51:55   (  72.64, 136.86) 01/07/2023   02:52:21  (  72.67, 136.88)    3.31                26
 01/07/2023   03:42:39   ( -72.59, -55.72) 01/07/2023   03:41:46  ( -72.58, -55.62)    3.28                53
 01/09/2023   14:56:09   ( -72.70, 135.70) 01/09/2023   14:57:02  ( -72.69, 135.73)    1.55                53
 01/09/2023   15:46:53   (  72.57, -56.72) 01/09/2023   15:46:26  (  72.59, -56.80)    3.20                27
 01/12/2023   03:00:29   (  72.95, 134.13) 01/12/2023   03:01:40  (  72.84, 134.82)   25.78                71
 01/12/2023   03:51:08   ( -72.64, -57.88) 01/12/2023   03:51:07  ( -72.65, -57.89)    1.22                 1
 01/12/2023   04:41:46   (  72.21, 110.29) 01/12/2023   04:40:36  (  72.28, 109.09)   41.47                70
 01/14/2023   15:55:24   (  72.70, -59.04) 01/14/2023   15:55:46  (  72.72, -58.95)    3.61                22
 01/14/2023   16:46:07   ( -72.58, 108.52) 01/14/2023   16:45:12  ( -72.58, 108.46)    2.02                55
 01/17/2023   03:59:38   ( -72.72, -60.11) 01/17/2023   04:00:27  ( -72.74, -60.10)    2.24                49
 01/17/2023   04:50:23   (  72.65, 107.34) 01/17/2023   04:49:51  (  72.63, 107.35)    2.96                32