Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 24.  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)
 02/25/2021   12:04:16   ( -46.00,  31.79) 02/25/2021   12:04:11  ( -46.07,  31.42)   29.12                 5
 02/25/2021   12:49:36   (  64.24,-150.14) 02/25/2021   12:48:23  (  64.34,-150.81)   33.95                73
 02/28/2021   04:20:33   ( -46.20, 147.80) 02/28/2021   04:20:36  ( -46.31, 147.39)   33.09                 3
 02/28/2021   05:11:16   (  46.02, -44.95) 02/28/2021   05:10:03  (  46.05, -45.05)    8.78                73
 03/02/2021   20:36:43   ( -46.74, -96.06) 03/02/2021   20:36:55  ( -46.82, -96.53)   37.03                12
 03/02/2021   21:27:36   (  46.04,  70.99) 03/02/2021   21:26:31  (  46.10,  70.85)   12.73                65
 03/05/2021   12:28:44   ( -46.09,-172.62) 03/05/2021   12:29:42  ( -46.18,-172.14)   38.56                58
 03/05/2021   13:43:57   (  46.00,-173.09) 03/05/2021   13:43:01  (  46.02,-173.30)   15.97                56
 03/08/2021   04:45:04   ( -46.07, -56.68) 03/08/2021   04:46:10  ( -46.15, -56.24)   35.06                66