Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 17.  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   (  69.78, -14.36) 10/19/2021   13:01:14  (  69.78, -14.36)    0.11                59
 10/19/2021   13:49:53   ( -66.31, 157.40) 10/19/2021   13:49:37  ( -66.31, 157.39)    0.58                16
 10/22/2021   05:16:44   (  70.40, 100.63) 10/22/2021   05:17:53  (  70.40, 100.64)    0.79                69
 10/22/2021   06:06:24   ( -67.05, -87.49) 10/22/2021   06:06:18  ( -67.05, -87.50)    0.76                 6
 10/24/2021   21:37:06   (  80.70, 171.18) 10/24/2021   21:38:19  (  81.13, 172.36)   52.39                73
 10/24/2021   22:22:51   ( -67.57,  27.84) 10/24/2021   22:22:55  ( -67.58,  27.81)    1.58                 4
 10/24/2021   23:12:29   (  63.85,-160.94) 10/24/2021   23:11:17  (  63.84,-160.92)    0.95                72
 10/27/2021   14:39:32   ( -68.85, 142.15) 10/27/2021   14:39:45  ( -68.84, 142.19)    2.01                13
 10/27/2021   15:28:56   (  64.39, -45.49) 10/27/2021   15:27:54  (  64.40, -45.50)    0.58                62
 10/30/2021   06:55:52   ( -69.05,-102.19) 10/30/2021   06:56:15  ( -69.05,-102.19)    0.19                23