Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 8.  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)
 07/09/2021   14:22:59   ( -55.63, 155.87) 07/09/2021   14:23:29  ( -55.63, 155.88)    0.14                30
 07/09/2021   15:11:42   (  48.54, -33.34) 07/09/2021   15:10:58  (  48.55, -33.23)    7.51                44
 07/12/2021   06:39:39   ( -56.84, -88.89) 07/12/2021   06:40:20  ( -56.85, -88.91)    1.53                41
 07/12/2021   07:27:49   (  47.88,  82.89) 07/12/2021   07:27:17  (  47.88,  82.91)    1.28                32
 07/14/2021   22:56:40   ( -59.28,  25.48) 07/14/2021   22:57:31  ( -59.28,  25.50)    1.11                51
 07/14/2021   23:44:28   (  49.12,-161.70) 07/14/2021   23:44:07  (  49.12,-161.72)    1.36                21
 07/17/2021   15:13:15   ( -60.21, 140.78) 07/17/2021   15:14:17  ( -60.21, 140.77)    0.42                62
 07/17/2021   16:01:38   (  52.08, -47.12) 07/17/2021   16:01:27  (  52.08, -47.12)    0.14                11
 07/20/2021   07:29:49   ( -61.07,-103.92) 07/20/2021   07:31:02  ( -61.08,-103.96)    1.97                73