Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 4.  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)
 11/04/2021   15:29:05   ( -71.13, 126.50) 11/04/2021   15:30:09  ( -71.12, 126.54)    1.54                64
 11/04/2021   16:18:49   (  67.86, -61.40) 11/04/2021   16:18:38  (  67.86, -61.42)    1.09                11
 11/07/2021   07:47:48   ( -78.01,-137.86) 11/07/2021   07:49:02  ( -78.23,-136.93)   32.37                74
 11/07/2021   08:35:21   (  68.67,  53.50) 11/07/2021   08:35:23  (  68.67,  53.48)    0.86                 2
 11/07/2021   09:24:58   ( -65.09,-135.03) 11/07/2021   09:23:44  ( -65.08,-135.02)    1.20                74
 11/10/2021   00:51:47   (  69.16, 168.78) 11/10/2021   00:52:02  (  69.17, 168.73)    2.35                15
 11/10/2021   01:41:26   ( -65.69, -19.70) 11/10/2021   01:40:25  ( -65.70, -19.73)    1.52                61
 11/12/2021   17:08:22   (  70.13, -76.69) 11/12/2021   17:08:49  (  70.13, -76.70)    0.32                27
 11/12/2021   17:58:03   ( -66.78,  95.06) 11/12/2021   17:57:14  ( -66.79,  95.05)    0.68                49
 11/15/2021   09:24:49   (  70.72,  38.31) 11/15/2021   09:25:28  (  70.72,  38.31)    0.06                39
 11/15/2021   10:14:31   ( -67.44,-149.75) 11/15/2021   10:13:54  ( -67.45,-149.78)    1.37                37
 11/18/2021   01:41:11   (  71.00, 153.79) 11/18/2021   01:42:02  (  71.01, 153.75)    1.55                51