Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 8.  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)
 01/09/2022   04:08:26   (  71.30, 116.86) 01/09/2022   04:09:35  (  71.19, 118.27)   51.65                69
 01/09/2022   04:59:00   ( -70.72, -74.83) 01/09/2022   04:59:12  ( -70.69, -74.87)    3.34                12
 01/09/2022   05:49:44   (  70.60,  92.68) 01/09/2022   05:48:39  (  70.59,  92.62)    2.33                65
 01/11/2022   19:35:28   ( -70.91,  65.76) 01/11/2022   19:36:40  ( -70.86,  66.00)   10.15                72
 01/11/2022   20:26:10   (  70.70,-126.57) 01/11/2022   20:26:08  (  70.71,-126.60)    1.54                 2
 01/11/2022   21:16:52   ( -70.52,  41.03) 01/11/2022   21:15:39  ( -70.54,  40.78)    9.27                73
 01/14/2022   11:02:36   (  70.80,  14.19) 01/14/2022   11:03:37  (  70.82,  14.17)    2.01                61
 01/14/2022   11:53:20   ( -70.73,-178.38) 01/14/2022   11:53:07  ( -70.70,-178.37)    2.65                13
 01/14/2022   12:43:52   (  69.98,  -9.90) 01/14/2022   12:42:44  (  70.04, -11.68)   68.09                68
 01/17/2022   02:29:46   ( -70.83, -37.63) 01/17/2022   02:30:36  ( -70.81, -37.60)    2.12                50
 01/17/2022   03:20:30   (  70.72, 129.86) 01/17/2022   03:20:03  (  70.70, 129.88)    2.40                27
 01/19/2022   17:56:55   (  70.82, -89.40) 01/19/2022   17:57:31  (  70.80, -89.37)    3.19                36
 01/19/2022   18:47:38   ( -70.69,  78.13) 01/19/2022   18:47:01  ( -70.69,  78.10)    1.00                37