Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 28.  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)
 09/30/2021   18:15:05   ( -68.53,  88.45) 09/30/2021   18:16:05  ( -68.53,  88.45)    0.13                60
 09/30/2021   19:04:36   (  64.42, -99.65) 09/30/2021   19:04:20  (  64.42, -99.66)    0.29                16
 10/03/2021   10:31:38   ( -69.34,-156.72) 10/03/2021   10:32:49  ( -69.34,-156.70)    1.04                71
 10/03/2021   11:21:12   (  65.43,  15.30) 10/03/2021   11:21:07  (  65.43,  15.30)    0.14                 5
 10/06/2021   02:53:54   ( -80.97,-122.52) 10/06/2021   02:55:07  ( -81.60,-123.40)   71.05                73
 10/06/2021   03:37:44   (  66.22, 130.42) 10/06/2021   03:37:50  (  66.22, 130.41)    0.66                 6
 10/06/2021   04:26:55   ( -61.17, -57.67) 10/06/2021   04:25:47  ( -61.17, -57.68)    0.73                68
 10/08/2021   19:54:11   (  66.78,-114.26) 10/08/2021   19:54:28  (  66.79,-114.30)    1.89                17
 10/08/2021   20:43:45   ( -63.02,  56.78) 10/08/2021   20:42:47  ( -63.02,  56.81)    1.81                58
 10/11/2021   12:10:53   (  68.11,   0.10) 10/11/2021   12:11:20  (  68.10,   0.12)    1.22                27