Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 14.  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)
 07/14/2021   22:56:35   ( -58.97,  25.70) 07/14/2021   22:57:26  ( -58.97,  25.70)    0.21                51
 07/14/2021   23:44:53   (  50.52,-162.32) 07/14/2021   23:44:31  (  50.51,-162.30)    1.79                22
 07/17/2021   15:13:09   ( -59.83, 141.05) 07/17/2021   15:14:11  ( -59.84, 141.02)    1.76                62
 07/17/2021   16:01:31   (  51.63, -46.91) 07/17/2021   16:01:20  (  51.64, -46.92)    0.91                11
 07/20/2021   07:30:02   ( -61.81,-104.49) 07/20/2021   07:31:14  ( -61.80,-104.48)    0.63                72
 07/20/2021   08:18:33   (  54.18,  67.75) 07/20/2021   08:18:32  (  54.18,  67.76)    0.34                 1
 07/22/2021   23:52:41   ( -80.13, -35.65) 07/22/2021   23:53:54  ( -80.54, -34.11)   53.68                73
 07/23/2021   00:35:33   (  56.54,-177.63) 07/23/2021   00:35:42  (  56.54,-177.61)    1.66                 9
 07/23/2021   01:24:18   ( -49.83,  -6.86) 07/23/2021   01:23:12  ( -49.84,  -6.73)    9.24                66
 07/25/2021   16:52:03   (  57.19, -62.08) 07/25/2021   16:52:23  (  57.20, -62.10)    1.20                20
 07/25/2021   17:40:24   ( -49.11, 109.40) 07/25/2021   17:39:30  ( -49.14, 109.43)    4.23                54
 07/28/2021   09:08:56   (  59.15,  52.60) 07/28/2021   09:09:26  (  59.15,  52.60)    0.09                30