Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 3 25.  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)
 03/26/2021   10:56:00   ( -69.57,-164.48) 03/26/2021   10:57:12  ( -69.56,-164.48)    1.14                72
 03/26/2021   11:46:43   (  69.45,   3.00) 03/26/2021   11:46:39  (  69.45,   3.03)    1.01                 4
 03/26/2021   12:37:23   ( -69.25, 170.61) 03/26/2021   12:36:10  ( -69.28, 170.44)    7.47                73
 03/29/2021   03:12:24   ( -69.78, -48.86) 03/29/2021   03:13:36  ( -69.70, -48.40)   19.59                72
 03/29/2021   04:03:03   (  69.45, 118.93) 03/29/2021   04:03:06  (  69.43, 118.88)    3.22                 3
 03/29/2021   04:53:45   ( -69.36, -73.61) 03/29/2021   04:52:35  ( -69.37, -73.56)    2.85                70
 03/31/2021   19:28:47   ( -69.99,  66.75) 03/31/2021   19:29:58  ( -69.90,  67.76)   39.54                71
 03/31/2021   20:19:22   (  69.46,-125.14) 03/31/2021   20:19:31  (  69.46,-125.20)    2.31                 9
 03/31/2021   21:10:04   ( -69.36,  42.32) 03/31/2021   21:09:01  ( -69.35,  42.29)    1.48                63
 04/03/2021   11:45:12   ( -70.26,-177.73) 04/03/2021   11:46:20  ( -70.15,-176.02)   65.69                68
 04/03/2021   12:35:42   (  69.47,  -9.22) 04/03/2021   12:35:57  (  69.48,  -9.29)    3.15                15
 04/03/2021   13:26:24   ( -69.37, 158.24) 04/03/2021   13:25:27  ( -69.38, 158.21)    1.91                57
 04/06/2021   04:01:36   ( -70.48, -62.14) 04/06/2021   04:02:42  ( -70.38, -59.79)   88.17                66
 04/06/2021   04:52:03   (  69.53, 106.62) 04/06/2021   04:52:23  (  69.50, 106.62)    3.59                20
 04/06/2021   05:42:44   ( -69.38, -85.83) 04/06/2021   05:41:53  ( -69.40, -85.89)    3.07                51