Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 28.  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)
 01/29/2021   15:38:20   ( -49.62, -20.64) 01/29/2021   15:39:23  ( -49.72, -21.22)   43.36                63
 01/29/2021   16:30:04   (  46.04, 145.19) 01/29/2021   16:29:48  (  46.06, 144.99)   15.52                16
 01/29/2021   17:08:13   ( -81.18,  44.97) 01/29/2021   17:07:00  ( -81.74,  45.37)   63.49                73
 02/01/2021   07:54:31   ( -50.19,  95.54) 02/01/2021   07:55:43  ( -50.32,  94.91)   47.43                72
 02/01/2021   08:46:25   (  46.02, -98.89) 02/01/2021   08:46:18  (  46.06, -99.13)   19.31                 7
 02/01/2021   09:30:38   ( -68.19,  83.47) 02/01/2021   09:29:24  ( -68.34,  82.72)   34.88                74
 02/04/2021   01:02:44   (  46.12,  17.08) 02/04/2021   01:02:46  (  46.18,  16.79)   23.28                 2
 02/04/2021   01:52:42   ( -48.97,-174.44) 02/04/2021   01:51:29  ( -48.96,-174.50)    4.88                73
 02/06/2021   17:18:54   (  46.68, 133.23) 02/06/2021   17:19:05  (  46.76, 132.89)   27.83                11
 02/06/2021   18:09:53   ( -46.03, -59.73) 02/06/2021   18:08:47  ( -46.05, -59.76)    3.00                66
 02/09/2021   09:35:06   (  47.18,-110.63) 02/09/2021   09:35:26  (  47.28,-111.04)   32.15                20