Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 20.  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)
 08/21/2021   12:27:44   ( -63.79, 179.79) 08/21/2021   12:28:28  ( -63.79, 179.79)    0.12                44
 08/21/2021   13:16:44   (  57.86,  -8.42) 08/21/2021   13:16:14  (  57.86,  -8.40)    1.31                30
 08/24/2021   04:44:12   ( -64.33, -64.76) 08/24/2021   04:45:06  ( -64.34, -64.79)    1.61                54
 08/24/2021   05:33:10   (  58.30, 107.24) 08/24/2021   05:32:50  (  58.31, 107.22)    1.69                20
 08/26/2021   21:00:58   ( -65.86,  49.66) 08/26/2021   21:02:01  ( -65.86,  49.69)    1.28                63
 08/26/2021   21:49:58   (  59.99,-137.96) 08/26/2021   21:49:47  (  59.99,-137.97)    0.62                11
 08/29/2021   13:17:22   ( -66.18, 165.27) 08/29/2021   13:18:35  ( -66.18, 165.25)    0.96                73
 08/29/2021   14:06:42   (  61.44, -23.09) 08/29/2021   14:06:40  (  61.43, -23.08)    0.35                 2
 09/01/2021   05:39:55   ( -81.25,-148.76) 09/01/2021   05:41:08  ( -81.82,-148.45)   63.42                73
 09/01/2021   06:23:23   (  62.77,  91.78) 09/01/2021   06:23:30  (  62.76,  91.80)    1.19                 7