Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 10.  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)
 12/10/2022   10:42:02   ( -72.53,-160.77) 12/10/2022   10:42:49  ( -72.51,-160.77)    1.87                47
 12/10/2022   11:32:47   (  72.41,   6.78) 12/10/2022   11:32:12  (  72.43,   6.74)    3.22                35
 12/12/2022   22:46:21   (  72.61,-161.98) 12/12/2022   22:47:32  (  72.62,-161.79)    6.46                71
 12/12/2022   23:37:03   ( -72.49,   5.58) 12/12/2022   23:36:59  ( -72.46,   5.58)    3.19                 4
 12/13/2022   00:27:39   (  71.91, 174.03) 12/13/2022   00:26:30  (  71.95, 172.33)   58.49                69
 12/15/2022   11:41:21   (  72.53,   4.45) 12/15/2022   11:41:42  (  72.55,   4.53)    2.76                21
 12/15/2022   12:32:04   ( -72.46, 171.93) 12/15/2022   12:31:08  ( -72.45, 171.99)    2.50                56
 12/17/2022   23:45:36   ( -72.57,   3.36) 12/17/2022   23:46:28  ( -72.59,   3.39)    2.55                52
 12/18/2022   00:36:21   (  72.46, 170.88) 12/18/2022   00:35:52  (  72.46, 170.81)    2.42                29
 12/20/2022   11:49:58   (  72.83,   1.76) 12/20/2022   11:51:09  (  72.74,   2.48)   25.54                71
 12/20/2022   12:40:36   ( -72.54, 169.68) 12/20/2022   12:40:36  ( -72.53, 169.73)    2.05                 0
 12/20/2022   13:31:15   (  72.13, -22.20) 12/20/2022   13:30:04  (  72.19, -23.23)   35.62                71
 12/23/2022   00:44:53   (  72.56, 168.59) 12/23/2022   00:45:19  (  72.56, 168.59)    0.38                26
 12/23/2022   01:35:36   ( -72.47, -23.90) 12/23/2022   01:34:45  ( -72.46, -23.96)    2.59                51