Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 7 1.  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)
 07/02/2022   09:12:13   (  71.69,  41.66) 07/02/2022   09:13:20  (  71.71,  41.72)    3.01                67
 07/02/2022   10:02:55   ( -71.59,-150.83) 07/02/2022   10:02:50  ( -71.59,-150.85)    1.04                 5
 07/02/2022   10:53:33   (  71.11,  17.33) 07/02/2022   10:52:23  (  71.17,  16.11)   44.34                70
 07/05/2022   00:39:15   ( -71.71, -10.11) 07/05/2022   00:40:17  ( -71.71, -10.05)    2.11                62
 07/05/2022   01:30:00   (  71.60, 157.41) 07/05/2022   01:29:44  (  71.61, 157.44)    2.36                16
 07/05/2022   02:20:32   ( -70.97, -34.17) 07/05/2022   02:19:23  ( -71.01, -35.91)   62.96                69
 07/07/2022   16:06:20   (  71.67, -61.78) 07/07/2022   16:07:13  (  71.67, -61.86)    2.86                53
 07/07/2022   16:57:03   ( -71.62, 105.64) 07/07/2022   16:56:42  ( -71.61, 105.66)    1.19                21
 07/10/2022   07:33:23   ( -71.70,-113.56) 07/10/2022   07:34:10  ( -71.72,-113.55)    2.65                47
 07/10/2022   08:24:09   (  71.63,  53.86) 07/10/2022   08:23:37  (  71.61,  53.92)    2.71                32
 07/12/2022   23:00:29   (  71.71,-165.34) 07/12/2022   23:01:05  (  71.71,-165.31)    1.14                36
 07/12/2022   23:51:11   ( -71.61,   2.17) 07/12/2022   23:50:35  ( -71.60,   2.13)    1.40                36
 07/15/2022   14:27:30   ( -71.69, 142.96) 07/15/2022   14:28:02  ( -71.70, 142.90)    2.33                32
 07/15/2022   15:18:16   (  71.63, -49.62) 07/15/2022   15:17:28  (  71.64, -49.55)    2.57                48