Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 11.  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)
 12/12/2020   09:54:21   (  46.02,-116.16) 12/12/2020   09:54:16  (  46.03,-116.16)    1.45                 5
 12/12/2020   10:39:32   ( -65.05,  62.65) 12/12/2020   10:38:18  ( -65.13,  62.31)   18.44                74
 12/15/2020   02:10:40   (  46.16,  -0.18) 12/15/2020   02:10:42  (  46.17,  -0.23)    3.99                 2
 12/15/2020   02:58:46   ( -55.39, 171.45) 12/15/2020   02:57:35  ( -55.39, 171.46)    0.51                71
 12/17/2020   18:26:55   (  46.52, 115.89) 12/17/2020   18:27:04  (  46.53, 115.79)    7.66                 9
 12/17/2020   19:15:37   ( -53.70, -73.54) 12/17/2020   19:14:32  ( -53.70, -73.51)    1.74                65
 12/20/2020   10:43:09   (  46.94,-128.01) 12/20/2020   10:43:25  (  46.95,-128.17)   11.55                16
 12/20/2020   11:31:57   ( -53.77,  42.42) 12/20/2020   11:30:59  ( -53.77,  42.40)    1.57                58
 12/23/2020   02:59:23   (  47.30, -11.94) 12/23/2020   02:59:45  (  47.35, -12.13)   14.87                22