Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 22.  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)
 07/22/2021   23:52:47   ( -80.30, -37.64) 07/22/2021   23:54:00  ( -80.73, -36.14)   54.54                73
 07/23/2021   00:35:11   (  55.30,-176.91) 07/23/2021   00:35:21  (  55.31,-176.94)    1.95                10
 07/23/2021   01:24:16   ( -49.74,  -6.81) 07/23/2021   01:23:11  ( -49.79,  -6.71)    9.36                65
 07/25/2021   16:52:07   (  57.43, -62.23) 07/25/2021   16:52:27  (  57.44, -62.24)    0.70                20
 07/25/2021   17:40:24   ( -49.14, 109.40) 07/25/2021   17:39:30  ( -49.16, 109.43)    3.58                54
 07/28/2021   09:08:58   (  59.28,  52.52) 07/28/2021   09:09:28  (  59.27,  52.52)    0.46                30
 07/28/2021   09:57:03   ( -50.31,-135.19) 07/28/2021   09:56:19  ( -50.31,-135.17)    0.96                44
 07/31/2021   01:25:45   (  60.94, 167.26) 07/31/2021   01:26:25  (  60.94, 167.29)    1.46                40
 07/31/2021   02:13:55   ( -52.28, -20.18) 07/31/2021   02:13:21  ( -52.28, -20.17)    0.37                34
 08/02/2021   17:42:07   (  61.15, -76.95) 08/02/2021   17:42:58  (  61.16, -76.99)    2.26                51
 08/02/2021   18:30:44   ( -54.03,  94.87) 08/02/2021   18:30:20  ( -54.03,  94.87)    0.25                24
 08/05/2021   09:58:48   (  62.42,  37.99) 08/05/2021   09:59:49  (  62.42,  37.96)    1.77                61