Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 13.  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)
 11/15/2021   09:24:45   (  70.47,  38.71) 11/15/2021   09:25:26  (  70.48,  38.66)    2.27                41
 11/15/2021   10:14:44   ( -68.11,-150.58) 11/15/2021   10:14:08  ( -68.11,-150.55)    1.44                36
 11/18/2021   01:41:19   (  71.43, 153.05) 11/18/2021   01:42:12  (  71.43, 153.07)    0.87                53
 11/18/2021   02:31:03   ( -68.29, -34.85) 11/18/2021   02:30:40  ( -68.29, -34.89)    1.58                23
 11/20/2021   17:57:38   (  71.55, -91.22) 11/20/2021   17:58:44  (  71.56, -91.28)    2.21                66
 11/20/2021   18:47:38   ( -69.26,  79.78) 11/20/2021   18:47:27  ( -69.26,  79.78)    0.03                11
 11/23/2021   10:17:09   (  80.00,  -9.49) 11/23/2021   10:18:22  (  80.33,  -8.20)   44.25                73
 11/23/2021   11:04:10   ( -70.07,-165.46) 11/23/2021   11:04:11  ( -70.06,-165.44)    1.00                 1
 11/23/2021   11:53:39   (  65.98,   7.09) 11/23/2021   11:52:26  (  65.99,   7.02)    3.23                73
 11/26/2021   03:20:39   ( -70.71, -50.54) 11/26/2021   03:20:52  ( -70.71, -50.50)    1.46                13