Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 11.  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)
 03/13/2022   12:27:38   ( -71.09, 172.88) 03/13/2022   12:28:37  ( -71.08, 172.87)    1.23                59
 03/13/2022   13:18:24   (  71.01, -19.67) 03/13/2022   13:18:04  (  70.98, -19.65)    3.23                20
 03/13/2022   14:08:53   ( -70.23, 148.91) 03/13/2022   14:07:45  ( -70.26, 146.92)   75.14                68
 03/16/2022   03:54:48   (  71.08, 121.13) 03/16/2022   03:55:34  (  71.06, 121.08)    2.78                46
 03/16/2022   04:45:30   ( -70.98, -71.38) 03/16/2022   04:45:03  ( -71.00, -71.38)    2.09                27
 03/18/2022   19:21:53   ( -71.05,  69.42) 03/18/2022   19:22:32  ( -71.07,  69.33)    3.68                39
 03/18/2022   20:12:39   (  70.98,-123.15) 03/18/2022   20:11:59  (  70.96,-123.19)    2.14                40
 03/21/2022   10:49:03   (  71.06,  17.64) 03/21/2022   10:49:28  (  71.07,  17.59)    2.83                25
 03/21/2022   11:39:46   ( -71.00,-174.95) 03/21/2022   11:38:57  ( -71.02,-174.87)    3.46                49
 03/24/2022   01:25:40   (  71.81, 157.21) 03/24/2022   01:26:47  (  71.72, 159.23)   71.03                67
 03/24/2022   02:16:10   ( -71.08, -34.16) 03/24/2022   02:16:27  ( -71.07, -34.19)    2.12                17
 03/24/2022   03:06:55   (  70.96, 133.35) 03/24/2022   03:05:54  (  70.95, 133.28)    2.76                61