Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 13.  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)
 10/14/2021   04:27:22   (  68.77, 115.18) 10/14/2021   04:28:00  (  68.76, 115.21)    0.89                38
 10/14/2021   05:16:59   ( -65.22, -73.36) 10/14/2021   05:16:22  ( -65.21, -73.31)    2.23                37
 10/16/2021   20:43:55   (  69.60,-130.04) 10/16/2021   20:44:43  (  69.59,-129.98)    2.35                48
 10/16/2021   21:33:15   ( -65.13,  42.68) 10/16/2021   21:32:49  ( -65.14,  42.63)    2.17                26
 10/19/2021   13:00:08   (  69.36, -13.75) 10/19/2021   13:01:07  (  69.37, -13.81)    2.57                59
 10/19/2021   13:50:04   ( -66.85, 156.79) 10/19/2021   13:49:47  ( -66.84, 156.83)    2.09                17
 10/22/2021   05:16:48   (  70.56, 100.37) 10/22/2021   05:17:56  (  70.55, 100.42)    2.03                68
 10/22/2021   06:06:28   ( -67.20, -87.67) 10/22/2021   06:06:21  ( -67.20, -87.66)    0.48                 7
 10/24/2021   21:36:15   (  79.30,-173.14) 10/24/2021   21:37:28  (  79.58,-171.83)   41.46                73
 10/24/2021   22:22:48   ( -67.40,  28.05) 10/24/2021   22:22:51  ( -67.41,  28.00)    2.28                 3