Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 6.  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)
 09/06/2021   14:56:42   (  65.17, -38.54) 09/06/2021   14:57:15  (  65.17, -38.52)    1.03                33
 09/06/2021   15:45:33   ( -58.96, 133.86) 09/06/2021   15:44:52  ( -58.97, 133.85)    0.67                41
 09/09/2021   07:13:13   (  65.89,  76.68) 09/09/2021   07:13:57  (  65.88,  76.68)    0.33                44
 09/09/2021   08:02:11   ( -60.08,-110.97) 09/09/2021   08:01:41  ( -60.09,-111.00)    1.64                30
 09/11/2021   23:29:43   (  66.54,-168.09) 09/11/2021   23:30:38  (  66.54,-168.10)    0.77                55
 09/12/2021   00:19:09   ( -62.32,   3.26) 09/12/2021   00:18:49  ( -62.31,   3.29)    1.66                20
 09/14/2021   15:46:10   (  67.03, -52.70) 09/14/2021   15:47:16  (  67.04, -52.75)    2.23                66
 09/14/2021   16:35:40   ( -63.04, 118.60) 09/14/2021   16:35:31  ( -63.04, 118.60)    0.17                 9
 09/17/2021   08:04:35   (  73.73,  52.18) 09/17/2021   08:05:48  (  73.81,  52.80)   20.99                73
 09/17/2021   08:52:08   ( -63.65,-125.99) 09/17/2021   08:52:10  ( -63.66,-126.02)    1.73                 2
 09/17/2021   09:41:02   (  57.35,  45.99) 09/17/2021   09:39:49  (  57.35,  45.97)    1.15                73
 09/20/2021   01:08:54   ( -65.20, -11.51) 09/20/2021   01:09:06  ( -65.19, -11.50)    0.78                12