Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 16.  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)
 11/18/2021   01:41:21   (  71.54, 152.84) 11/18/2021   01:42:14  (  71.54, 152.89)    1.68                53
 11/18/2021   02:31:05   ( -68.40, -35.01) 11/18/2021   02:30:42  ( -68.41, -35.03)    0.90                23
 11/20/2021   17:57:41   (  71.72, -91.53) 11/20/2021   17:58:47  (  71.73, -91.55)    0.82                66
 11/20/2021   18:47:42   ( -69.49,  79.45) 11/20/2021   18:47:31  ( -69.48,  79.48)    1.22                11
 11/23/2021   10:17:26   (  80.45, -14.99) 11/23/2021   10:18:39  (  80.84, -13.75)   48.40                73
 11/23/2021   11:04:00   ( -69.56,-164.70) 11/23/2021   11:04:02  ( -69.57,-164.76)    2.30                 2
 11/23/2021   11:53:46   (  66.38,   6.65) 11/23/2021   11:52:33  (  66.38,   6.62)    1.31                73
 11/26/2021   03:20:32   ( -70.38, -50.00) 11/26/2021   03:20:46  ( -70.39, -50.02)    0.97                14
 11/26/2021   04:10:21   (  67.39, 121.44) 11/26/2021   04:09:20  (  67.39, 121.43)    0.48                61
 11/28/2021   19:37:00   ( -71.04,  64.87) 11/28/2021   19:37:26  ( -71.04,  64.87)    0.04                26