Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 6 8.  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)
 06/10/2021   01:42:02   ( -55.44, -14.01) 06/10/2021   01:43:15  ( -55.43, -13.98)    2.25                73
 06/10/2021   02:30:06   (  46.06, 157.69) 06/10/2021   02:30:05  (  46.06, 157.77)    6.46                 1
 06/12/2021   18:04:39   ( -75.69,  76.16) 06/12/2021   18:05:53  ( -75.96,  77.38)   44.11                74
 06/12/2021   18:46:30   (  46.36, -86.49) 06/12/2021   18:46:39  (  46.35, -86.46)    2.27                 9
 06/12/2021   19:38:13   ( -49.91,  79.34) 06/12/2021   19:37:05  ( -50.01,  79.73)   30.62                68
 06/15/2021   10:27:43   ( -74.88,  82.21) 06/15/2021   10:28:56  ( -75.31,  79.82)   83.52                73
 06/15/2021   11:03:27   (  48.55,  28.55) 06/15/2021   11:03:45  (  48.55,  28.57)    1.77                18
 06/15/2021   11:54:22   ( -49.34,-164.47) 06/15/2021   11:53:24  ( -49.42,-164.14)   25.56                58
 06/18/2021   03:20:20   (  50.57, 143.59) 06/18/2021   03:20:47  (  50.57, 143.61)    1.42                27
 06/18/2021   04:10:30   ( -48.77, -48.28) 06/18/2021   04:09:42  ( -48.83, -48.02)   20.46                48
 06/20/2021   19:37:13   (  52.53,-101.41) 06/20/2021   19:37:49  (  52.53,-101.39)    1.21                36