Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 7 31.  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)
 08/02/2021   03:22:33   ( -71.03, -52.42) 08/02/2021   03:23:39  ( -70.88, -49.80)   96.58                66
 08/02/2021   04:12:58   (  70.03, 116.51) 08/02/2021   04:13:19  (  70.02, 116.57)    2.73                21
 08/02/2021   05:03:39   ( -69.88, -75.95) 08/02/2021   05:02:49  ( -69.90, -75.96)    2.03                50
 08/04/2021   20:29:16   (  70.01,-127.51) 08/04/2021   20:29:46  (  69.99,-127.58)    3.19                30
 08/04/2021   21:19:58   ( -69.91,  39.95) 08/04/2021   21:19:15  ( -69.93,  39.97)    2.72                43
 08/07/2021   12:45:35   (  70.04, -11.62) 08/07/2021   12:46:12  (  70.02, -11.67)    3.12                37
 08/07/2021   13:36:17   ( -69.94, 155.85) 08/07/2021   13:35:41  ( -69.96, 155.89)    2.89                36
 08/10/2021   05:01:54   (  70.07, 104.28) 08/10/2021   05:02:37  (  70.09, 104.32)    2.79                43
 08/10/2021   05:52:36   ( -69.97, -88.25) 08/10/2021   05:52:07  ( -69.98, -88.20)    2.59                29
 08/12/2021   21:18:12   (  70.10,-139.83) 08/12/2021   21:19:02  (  70.11,-139.78)    1.91                50
 08/12/2021   22:08:54   ( -70.00,  27.64) 08/12/2021   22:08:32  ( -70.00,  27.70)    2.40                22