Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 30.  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   18:15:06   ( -68.58,  88.38) 09/30/2021   18:16:06  ( -68.58,  88.39)    0.48                60
 09/30/2021   19:04:38   (  64.53, -99.76) 09/30/2021   19:04:22  (  64.53, -99.75)    0.07                16
 10/03/2021   10:31:40   ( -69.45,-156.88) 10/03/2021   10:32:51  ( -69.45,-156.84)    1.61                71
 10/03/2021   11:21:14   (  65.54,  15.19) 10/03/2021   11:21:09  (  65.54,  15.20)    0.44                 5
 10/06/2021   02:54:01   ( -80.86,-125.11) 10/06/2021   02:55:14  ( -81.49,-126.20)   72.44                73
 10/06/2021   03:37:47   (  66.39, 130.24) 10/06/2021   03:37:53  (  66.39, 130.24)    0.17                 6
 10/06/2021   04:26:59   ( -61.40, -57.84) 10/06/2021   04:25:51  ( -61.40, -57.84)    0.12                68
 10/08/2021   19:54:15   (  67.01,-114.52) 10/08/2021   19:54:32  (  67.02,-114.54)    0.78                17
 10/08/2021   20:43:28   ( -62.09,  57.56) 10/08/2021   20:42:31  ( -62.10,  57.52)    1.82                57
 10/11/2021   12:10:40   (  67.42,   0.95) 10/11/2021   12:11:08  (  67.43,   0.89)    2.46                28