Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 6 7.  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)
 06/07/2021   09:25:06   ( -53.32,-128.81) 06/07/2021   09:26:10  ( -53.32,-128.79)    1.35                64
 06/07/2021   10:13:58   (  46.68,  41.50) 06/07/2021   10:13:47  (  46.70,  41.65)   11.62                11
 06/10/2021   01:42:03   ( -55.48, -14.03) 06/10/2021   01:43:16  ( -55.47, -14.00)    2.33                73
 06/10/2021   02:30:07   (  46.11, 157.67) 06/10/2021   02:30:06  (  46.10, 157.76)    6.57                 1
 06/12/2021   18:04:42   ( -75.82,  75.74) 06/12/2021   18:05:56  ( -76.09,  76.97)   44.41                74
 06/12/2021   18:46:32   (  46.46, -86.53) 06/12/2021   18:46:41  (  46.45, -86.50)    2.53                 9
 06/12/2021   19:38:14   ( -49.95,  79.32) 06/12/2021   19:37:06  ( -50.06,  79.72)   30.64                68
 06/15/2021   10:27:47   ( -74.65,  81.57) 06/15/2021   10:29:00  ( -75.08,  79.18)   83.91                73
 06/15/2021   11:03:01   (  47.10,  29.15) 06/15/2021   11:03:20  (  47.11,  29.13)    1.49                19
 06/15/2021   11:54:22   ( -49.39,-164.49) 06/15/2021   11:53:24  ( -49.46,-164.16)   25.55                58
 06/18/2021   03:19:57   (  49.25, 144.19) 06/18/2021   03:20:25  (  49.25, 144.16)    1.75                28
 06/18/2021   04:10:30   ( -48.76, -48.27) 06/18/2021   04:09:42  ( -48.82, -48.01)   20.32                48
 06/20/2021   19:36:52   (  51.33,-100.82) 06/20/2021   19:37:29  (  51.34,-100.85)    1.83                37