Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 23.  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)
 01/24/2021   07:05:58   ( -48.54, 107.03) 01/24/2021   07:06:42  ( -48.61, 106.57)   34.93                44
 01/24/2021   07:57:23   (  46.05, -86.67) 01/24/2021   07:56:48  (  46.07, -86.76)    7.67                35
 01/26/2021   23:22:08   ( -49.16,-136.77) 01/26/2021   23:23:02  ( -49.23,-137.30)   39.42                54
 01/27/2021   00:13:44   (  46.04,  29.26) 01/27/2021   00:13:19  (  46.03,  29.10)   12.05                25
 01/27/2021   00:45:33   ( -64.93,  -7.02) 01/27/2021   00:44:20  ( -65.20,  -5.32)   85.12                73
 01/29/2021   15:38:20   ( -49.67, -20.62) 01/29/2021   15:39:23  ( -49.78, -21.20)   43.46                63
 01/29/2021   16:30:05   (  46.02, 145.18) 01/29/2021   16:29:49  (  46.05, 144.98)   15.52                16
 01/29/2021   17:08:18   ( -81.21,  43.37) 01/29/2021   17:07:05  ( -81.78,  43.65)   63.28                73
 02/01/2021   07:54:31   ( -50.17,  95.54) 02/01/2021   07:55:43  ( -50.32,  94.91)   47.61                72
 02/01/2021   08:46:25   (  46.01, -98.90) 02/01/2021   08:46:18  (  46.06, -99.14)   19.45                 7
 02/01/2021   09:30:46   ( -67.75,  82.91) 02/01/2021   09:29:32  ( -67.90,  82.20)   34.24                74
 02/04/2021   01:02:43   (  46.16,  17.10) 02/04/2021   01:02:45  (  46.25,  16.81)   23.77                 2