Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 18.  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)
 10/19/2021   13:00:15   (  69.76, -14.33) 10/19/2021   13:01:14  (  69.76, -14.33)    0.17                59
 10/19/2021   13:49:53   ( -66.28, 157.43) 10/19/2021   13:49:37  ( -66.29, 157.41)    0.76                16
 10/22/2021   05:16:45   (  70.43, 100.58) 10/22/2021   05:17:54  (  70.43, 100.60)    0.66                69
 10/22/2021   06:06:24   ( -67.02, -87.46) 10/22/2021   06:06:18  ( -67.03, -87.48)    0.99                 6
 10/24/2021   21:37:04   (  80.67, 171.69) 10/24/2021   21:38:17  (  81.09, 172.89)   52.04                73
 10/24/2021   22:22:50   ( -67.55,  27.87) 10/24/2021   22:22:54  ( -67.56,  27.83)    1.85                 4
 10/24/2021   23:12:28   (  63.82,-160.91) 10/24/2021   23:11:16  (  63.82,-160.90)    0.80                72
 10/27/2021   14:39:31   ( -68.82, 142.18) 10/27/2021   14:39:44  ( -68.82, 142.22)    1.72                13
 10/27/2021   15:28:55   (  64.37, -45.47) 10/27/2021   15:27:53  (  64.37, -45.48)    0.76                62
 10/30/2021   06:55:52   ( -69.03,-102.15) 10/30/2021   06:56:15  ( -69.03,-102.16)    0.48                23