Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 1.  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   (  49.42,  92.67) 01/02/2021   20:05:09  (  49.47,  92.23)   32.42                59
 01/02/2021   20:55:56   ( -46.02,-101.44) 01/02/2021   20:55:37  ( -46.03,-101.49)    4.33                19
 01/02/2021   21:30:58   (  75.08,-154.51) 01/02/2021   21:29:45  (  75.47,-152.23)   78.18                73
 01/05/2021   12:20:24   (  49.82,-151.22) 01/05/2021   12:21:30  (  49.94,-151.69)   36.10                66
 01/05/2021   13:12:17   ( -46.02,  14.49) 01/05/2021   13:12:06  ( -46.03,  14.39)    7.88                11
 01/05/2021   13:52:26   (  79.47,-129.05) 01/05/2021   13:51:13  (  79.85,-130.62)   52.96                73
 01/08/2021   05:28:38   ( -46.03, 130.42) 01/08/2021   05:28:34  ( -46.07, 130.29)   11.28                 4
 01/08/2021   06:13:46   (  64.98, -50.82) 01/08/2021   06:12:33  (  65.04, -51.31)   24.24                73
 01/10/2021   21:44:55   ( -46.26,-113.56) 01/10/2021   21:44:59  ( -46.29,-113.75)   14.74                 4
 01/10/2021   22:34:09   (  51.32,  55.95) 01/10/2021   22:32:57  (  51.32,  55.95)    0.12                72
 01/13/2021   14:01:08   ( -46.67,   2.53) 01/13/2021   14:01:19  ( -46.73,   2.30)   18.69                11