Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 6 15.  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)
 06/16/2022   13:20:29   ( -71.55, 159.70) 06/16/2022   13:21:08  ( -71.54, 159.63)    2.80                39
 06/16/2022   14:11:14   (  71.46, -32.83) 06/16/2022   14:10:35  (  71.44, -32.88)    2.72                39
 06/19/2022   04:47:35   (  71.56, 107.93) 06/19/2022   04:48:04  (  71.57, 107.93)    1.31                29
 06/19/2022   05:38:18   ( -71.48, -84.61) 06/19/2022   05:37:34  ( -71.46, -84.63)    3.02                44
 06/21/2022   20:14:38   ( -71.59,  56.14) 06/21/2022   20:15:02  ( -71.57,  56.16)    1.84                24
 06/21/2022   21:05:23   (  71.49,-136.38) 06/21/2022   21:04:29  (  71.47,-136.37)    2.89                54
 06/24/2022   10:51:13   ( -72.41,-164.49) 06/24/2022   10:52:19  ( -72.32,-161.96)   86.09                66
 06/24/2022   11:41:43   (  71.55,   4.46) 06/24/2022   11:41:58  (  71.57,   4.39)    2.77                15
 06/24/2022   12:32:26   ( -71.48, 171.91) 06/24/2022   12:31:28  ( -71.45, 171.84)    3.38                58
 06/27/2022   02:18:12   (  72.08, 144.42) 06/27/2022   02:19:22  (  71.92, 145.59)   43.70                70
 06/27/2022   03:08:47   ( -71.59, -47.35) 06/27/2022   03:08:56  ( -71.59, -47.33)    0.66                 9
 06/27/2022   03:59:32   (  71.49, 120.13) 06/27/2022   03:58:23  (  71.48, 120.13)    1.16                69
 06/29/2022   17:45:11   ( -71.86,  93.09) 06/29/2022   17:46:23  ( -71.76,  93.56)   19.41                72
 06/29/2022   18:35:53   (  71.61, -99.13) 06/29/2022   18:35:51  (  71.60, -99.07)    2.48                 2
 06/29/2022   19:26:34   ( -71.43,  68.50) 06/29/2022   19:25:22  ( -71.44,  68.30)    7.26                72