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   ( -64.28, -64.71) 08/24/2021   04:45:05  ( -64.29, -64.74)    1.93                54
 08/24/2021   05:33:09   (  58.24, 107.28) 08/24/2021   05:32:49  (  58.25, 107.25)    1.90                20
 08/26/2021   21:00:55   ( -65.69,  49.84) 08/26/2021   21:01:58  ( -65.69,  49.85)    0.63                63
 08/26/2021   21:49:55   (  59.81,-137.83) 08/26/2021   21:49:44  (  59.81,-137.85)    1.12                11
 08/29/2021   13:17:16   ( -65.90, 165.56) 08/29/2021   13:18:29  ( -65.91, 165.52)    2.06                73
 08/29/2021   14:06:36   (  61.15, -22.87) 08/29/2021   14:06:34  (  61.15, -22.88)    0.56                 2
 09/01/2021   05:39:40   ( -81.19,-142.87) 09/01/2021   05:40:53  ( -81.73,-142.18)   60.91                73
 09/01/2021   06:23:16   (  62.37,  92.11) 09/01/2021   06:23:23  (  62.37,  92.11)    0.26                 7
 09/01/2021   07:11:50   ( -55.12, -95.69) 09/01/2021   07:10:43  ( -55.12, -95.69)    0.27                67
 09/03/2021   22:39:52   (  63.36,-152.79) 09/03/2021   22:40:08  (  63.36,-152.79)    0.22                16