Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 22.  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)
 08/24/2021   04:44:11   ( -64.29, -64.72) 08/24/2021   04:45:05  ( -64.29, -64.75)    1.84                54
 08/24/2021   05:33:09   (  58.25, 107.28) 08/24/2021   05:32:49  (  58.26, 107.25)    1.81                20
 08/26/2021   21:00:56   ( -65.76,  49.77) 08/26/2021   21:01:59  ( -65.75,  49.79)    0.82                63
 08/26/2021   21:49:56   (  59.87,-137.88) 08/26/2021   21:49:45  (  59.88,-137.89)    0.93                11
 08/29/2021   13:17:19   ( -66.02, 165.44) 08/29/2021   13:18:32  ( -66.03, 165.41)    1.72                73
 08/29/2021   14:06:39   (  61.27, -22.96) 08/29/2021   14:06:37  (  61.27, -22.96)    0.24                 2
 09/01/2021   05:39:44   ( -81.22,-144.50) 09/01/2021   05:40:57  ( -81.76,-143.89)   61.59                73
 09/01/2021   06:23:18   (  62.49,  92.01) 09/01/2021   06:23:25  (  62.49,  92.02)    0.24                 7
 09/01/2021   07:11:53   ( -55.30, -95.79) 09/01/2021   07:10:46  ( -55.30, -95.79)    0.15                67
 09/03/2021   22:39:55   (  63.54,-152.94) 09/03/2021   22:40:11  (  63.53,-152.94)    0.48                16