Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 19.  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   (  69.77, -14.35) 10/19/2021   13:01:14  (  69.77, -14.35)    0.11                59
 10/19/2021   13:49:53   ( -66.30, 157.41) 10/19/2021   13:49:37  ( -66.30, 157.39)    0.68                16
 10/22/2021   05:16:45   (  70.45, 100.55) 10/22/2021   05:17:54  (  70.45, 100.57)    0.75                69
 10/22/2021   06:06:24   ( -67.04, -87.48) 10/22/2021   06:06:18  ( -67.05, -87.50)    0.87                 6
 10/24/2021   21:37:06   (  80.69, 171.23) 10/24/2021   21:38:19  (  81.12, 172.41)   52.33                73
 10/24/2021   22:22:51   ( -67.57,  27.85) 10/24/2021   22:22:55  ( -67.58,  27.81)    1.68                 4
 10/24/2021   23:12:29   (  63.84,-160.93) 10/24/2021   23:11:17  (  63.84,-160.91)    0.92                72
 10/27/2021   14:39:32   ( -68.84, 142.15) 10/27/2021   14:39:45  ( -68.84, 142.20)    1.98                13
 10/27/2021   15:28:56   (  64.44, -45.54) 10/27/2021   15:27:54  (  64.45, -45.55)    0.55                62
 10/30/2021   06:55:53   ( -69.10,-102.25) 10/30/2021   06:56:16  ( -69.10,-102.25)    0.13                23
 10/30/2021   07:45:40   (  65.93,  68.92) 10/30/2021   07:44:47  (  65.92,  68.97)    2.29                53
 11/01/2021   23:12:27   ( -70.00,  12.39) 11/01/2021   23:12:59  ( -69.99,  12.44)    2.35                32