Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 15.  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)
 10/16/2021   20:43:43   (  68.94,-129.11) 10/16/2021   20:44:32  (  68.95,-129.15)    1.77                49
 10/16/2021   21:33:19   ( -65.34,  42.47) 10/16/2021   21:32:53  ( -65.35,  42.44)    1.18                26
 10/19/2021   13:00:14   (  69.73, -14.28) 10/19/2021   13:01:13  (  69.73, -14.29)    0.44                59
 10/19/2021   13:49:52   ( -66.25, 157.46) 10/19/2021   13:49:36  ( -66.25, 157.45)    0.92                16
 10/22/2021   05:16:42   (  70.30, 100.80) 10/22/2021   05:17:51  (  70.30, 100.80)    0.16                69
 10/22/2021   06:06:21   ( -66.88, -87.29) 10/22/2021   06:06:15  ( -66.89, -87.32)    1.41                 6
 10/24/2021   21:36:57   (  80.50, 174.26) 10/24/2021   21:38:10  (  80.91, 175.51)   50.44                73
 10/24/2021   22:23:05   ( -68.32,  26.90) 10/24/2021   22:23:08  ( -68.31,  26.95)    2.37                 3
 10/24/2021   23:12:24   (  63.57,-160.69) 10/24/2021   23:11:12  (  63.57,-160.69)    0.04                72
 10/27/2021   14:39:27   ( -68.58, 142.51) 10/27/2021   14:39:40  ( -68.58, 142.52)    0.36                13