Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 8 23.  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)
 08/26/2021   06:39:54   (  70.72,  78.91) 08/26/2021   06:41:03  (  70.59,  80.32)   54.00                69
 08/26/2021   07:30:25   ( -70.07,-112.73) 08/26/2021   07:30:40  ( -70.09,-112.77)    3.03                15
 08/26/2021   08:21:09   (  69.99,  54.70) 08/26/2021   08:20:07  (  69.99,  54.72)    0.98                62
 08/28/2021   22:56:17   (  70.97,-165.57) 08/28/2021   22:57:24  (  70.85,-163.40)   79.98                67
 08/28/2021   23:46:44   ( -70.11,   3.15) 08/28/2021   23:47:05  ( -70.14,   3.18)    3.14                21
 08/29/2021   00:37:27   (  69.98, 170.66) 08/29/2021   00:36:33  (  69.98, 170.59)    2.66                54
 08/31/2021   16:03:02   ( -70.11, 119.10) 08/31/2021   16:03:31  ( -70.13, 119.04)    3.27                29
 08/31/2021   16:53:45   (  70.03, -73.47) 08/31/2021   16:52:57  (  70.01, -73.47)    1.31                48
 09/03/2021   08:19:20   ( -70.15,-125.03) 09/03/2021   08:19:55  ( -70.16,-125.02)    1.19                35
 09/03/2021   09:10:03   (  70.02,  42.49) 09/03/2021   09:09:22  (  70.05,  42.46)    3.33                41
 09/06/2021   00:35:39   ( -70.20,  -9.16) 09/06/2021   00:36:20  ( -70.20,  -9.10)    2.58                41
 09/06/2021   01:26:22   (  70.07, 158.36) 09/06/2021   01:25:47  (  70.08, 158.38)    1.40                35