Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 5 5.  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)
 05/06/2021   04:46:24   ( -59.22, 147.51) 05/06/2021   04:47:36  ( -59.51, 146.06)   88.07                72
 05/06/2021   05:16:32   (  46.10, 115.82) 05/06/2021   05:16:59  (  46.15, 116.03)   16.69                27
 05/06/2021   06:08:04   ( -49.00, -78.05) 05/06/2021   06:07:12  ( -49.09, -77.46)   43.89                52
 05/08/2021   21:32:50   (  46.08,-128.23) 05/08/2021   21:33:25  (  46.11,-128.07)   12.57                35
 05/08/2021   22:24:14   ( -48.52,  38.09) 05/08/2021   22:23:31  ( -48.62,  38.61)   39.48                43
 05/11/2021   13:49:09   (  46.06, -12.28) 05/11/2021   13:49:52  (  46.07, -12.17)    8.60                43
 05/11/2021   14:40:25   ( -48.04, 154.24) 05/11/2021   14:39:50  ( -48.10, 154.70)   35.15                35
 05/14/2021   06:05:29   (  46.10, 103.64) 05/14/2021   06:06:20  (  46.10, 103.70)    4.83                51
 05/14/2021   06:56:35   ( -47.51, -89.60) 05/14/2021   06:56:09  ( -47.59, -89.21)   30.56                26
 05/16/2021   22:21:53   (  46.38,-140.53) 05/16/2021   22:22:52  (  46.38,-140.51)    1.35                59
 05/16/2021   23:12:46   ( -47.04,  26.53) 05/16/2021   23:12:28  ( -47.09,  26.87)   26.02                18
 05/19/2021   14:38:49   (  48.56, -25.50) 05/19/2021   14:39:55  (  48.56, -25.48)    1.49                66