Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 2.  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)
 01/02/2021   20:04:10   (  49.44,  92.68) 01/02/2021   20:05:09  (  49.50,  92.24)   32.46                59
 01/02/2021   20:55:56   ( -46.04,-101.43) 01/02/2021   20:55:37  ( -46.05,-101.48)    4.38                19
 01/02/2021   21:30:58   (  75.06,-154.45) 01/02/2021   21:29:45  (  75.46,-152.18)   78.22                73
 01/05/2021   12:20:24   (  49.85,-151.21) 01/05/2021   12:21:30  (  49.96,-151.68)   36.13                66
 01/05/2021   13:12:17   ( -46.05,  14.50) 01/05/2021   13:12:06  ( -46.05,  14.40)    7.96                11
 01/05/2021   13:52:26   (  79.48,-128.94) 01/05/2021   13:51:13  (  79.87,-130.51)   53.02                73
 01/08/2021   05:28:37   ( -46.05, 130.43) 01/08/2021   05:28:33  ( -46.10, 130.30)   11.29                 4
 01/08/2021   06:13:43   (  65.12, -50.68) 01/08/2021   06:12:30  (  65.18, -51.19)   24.50                73
 01/10/2021   21:44:55   ( -46.23,-113.57) 01/10/2021   21:44:59  ( -46.25,-113.76)   14.75                 4
 01/10/2021   22:34:06   (  51.47,  56.02) 01/10/2021   22:32:54  (  51.47,  56.02)    0.39                72
 01/13/2021   14:01:09   ( -46.64,   2.52) 01/13/2021   14:01:20  ( -46.70,   2.29)   18.57                11