Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 21.  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)
 11/23/2021   07:45:58   ( -72.18,-119.37) 11/23/2021   07:47:04  ( -72.18,-119.38)    0.31                66
 11/23/2021   08:36:01   (  69.85,  51.92) 11/23/2021   08:35:49  (  69.85,  51.94)    0.82                12
 11/25/2021   23:13:21   (  71.33,-169.69) 11/25/2021   23:13:52  (  71.33,-169.68)    0.26                31
 11/26/2021   00:03:08   ( -68.30,   2.21) 11/26/2021   00:02:22  ( -68.30,   2.19)    0.57                46
 11/28/2021   13:50:41   (  72.20, -30.55) 11/28/2021   13:51:43  (  72.20, -30.56)    0.29                62
 11/28/2021   14:40:45   ( -70.08, 140.43) 11/28/2021   14:40:29  ( -70.07, 140.48)    2.03                16
 12/01/2021   04:33:14   (  80.73,  27.93) 12/01/2021   04:34:27  (  81.36,  26.52)   74.28                73
 12/01/2021   05:18:09   ( -70.47, -79.48) 12/01/2021   05:18:12  ( -70.47, -79.49)    0.33                 3
 12/01/2021   06:07:01   (  64.19,  95.45) 12/01/2021   06:05:48  (  64.19,  95.23)   10.74                73
 12/03/2021   19:55:52   ( -71.21,  59.93) 12/03/2021   19:56:01  ( -71.20,  59.99)    2.48                 9