Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 4.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2021   02:54:04   ( -80.80,-126.27) 10/06/2021   02:55:17  ( -81.44,-127.45)   73.05                73
 10/06/2021   03:37:49   (  66.51, 130.11) 10/06/2021   03:37:55  (  66.51, 130.12)    0.58                 6
 10/06/2021   04:27:00   ( -61.47, -57.90) 10/06/2021   04:25:52  ( -61.47, -57.89)    0.23                68
 10/08/2021   19:54:18   (  67.13,-114.66) 10/08/2021   19:54:35  (  67.13,-114.66)    0.12                17
 10/08/2021   20:43:32   ( -62.28,  57.41) 10/08/2021   20:42:35  ( -62.28,  57.39)    1.28                57
 10/11/2021   12:10:44   (  67.65,   0.67) 10/11/2021   12:11:12  (  67.66,   0.64)    1.40                28
 10/11/2021   13:00:20   ( -64.02, 171.84) 10/11/2021   12:59:33  ( -64.02, 171.87)    1.26                47
 10/14/2021   04:27:24   (  68.87, 115.04) 10/14/2021   04:28:02  (  68.86, 115.08)    1.82                38
 10/14/2021   05:16:43   ( -64.33, -72.49) 10/14/2021   05:16:07  ( -64.33, -72.52)    1.44                36
 10/16/2021   20:43:45   (  69.07,-129.28) 10/16/2021   20:44:34  (  69.07,-129.30)    0.81                49