Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 9.  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)
 03/10/2021   21:02:39   ( -50.41,  57.41) 03/10/2021   21:03:52  ( -50.48,  57.91)   36.18                73
 03/10/2021   22:16:36   (  46.04,  58.80) 03/10/2021   22:15:57  (  46.10,  58.49)   24.65                39
 03/13/2021   13:24:19   ( -68.28, 160.03) 03/13/2021   13:25:32  ( -68.46, 161.20)   51.51                73
 03/13/2021   14:32:56   (  46.05, 174.73) 03/13/2021   14:32:25  (  46.14, 174.39)   28.61                31
 03/13/2021   15:00:24   ( -50.17, 148.08) 03/13/2021   14:59:12  ( -50.38, 149.11)   76.93                72
 03/16/2021   05:57:41   ( -49.18, 124.64) 03/16/2021   05:58:36  ( -49.33, 123.87)   58.29                55
 03/16/2021   06:49:17   (  46.00, -69.35) 03/16/2021   06:48:55  (  46.06, -69.76)   32.24                22
 03/16/2021   07:16:36   ( -49.70, -95.77) 03/16/2021   07:15:32  ( -49.87, -94.79)   73.30                64
 03/18/2021   22:13:51   ( -49.69,-119.20) 03/18/2021   22:14:55  ( -49.83,-120.04)   62.12                64
 03/18/2021   23:05:36   (  46.01,  46.58) 03/18/2021   23:05:22  (  46.09,  46.13)   35.94                14
 03/18/2021   23:44:10   ( -81.27, -63.14) 03/18/2021   23:42:57  ( -81.83, -63.37)   62.77                73
 03/21/2021   14:30:03   ( -50.15,  -3.06) 03/21/2021   14:31:15  ( -50.32,  -3.95)   65.78                72
 03/21/2021   15:21:56   (  46.01, 162.52) 03/21/2021   15:21:50  (  46.11, 162.02)   39.67                 6