Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 6 18.  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)
 06/18/2020   10:44:31   (  62.62,-121.31) 06/18/2020   10:45:23  (  62.61,-121.34)    1.89                52
 06/18/2020   11:33:53   ( -67.27,  50.60) 06/18/2020   11:33:30  ( -67.27,  50.58)    0.87                23
 06/21/2020   03:01:08   (  61.85,  -6.02) 06/21/2020   03:02:05  (  61.85,  -6.04)    1.37                57
 06/21/2020   03:50:25   ( -66.81, 165.97) 06/21/2020   03:50:07  ( -66.81, 165.96)    0.36                18
 06/23/2020   19:17:43   (  61.14, 109.34) 06/23/2020   19:18:45  (  61.14, 109.32)    1.05                62
 06/23/2020   20:06:56   ( -66.34, -78.64) 06/23/2020   20:06:43  ( -66.34, -78.64)    0.12                13
 06/26/2020   11:34:18   (  60.48,-135.24) 06/26/2020   11:35:25  (  60.48,-135.25)    0.91                67
 06/26/2020   12:23:28   ( -65.86,  36.76) 06/26/2020   12:23:20  ( -65.86,  36.77)    0.14                 8
 06/26/2020   13:06:02   (  79.34, -48.32) 06/26/2020   13:04:49  (  79.91, -46.04)   78.01                73
 06/29/2020   03:50:53   (  59.82, -19.80) 06/29/2020   03:52:05  (  59.81, -19.82)    0.97                72
 06/29/2020   04:39:59   ( -65.44, 152.24) 06/29/2020   04:39:56  ( -65.44, 152.24)    0.12                 3
 06/29/2020   05:26:18   (  78.50, -10.11) 06/29/2020   05:25:05  (  78.72, -11.32)   36.53                73
 07/01/2020   20:09:55   (  50.77,  91.00) 07/01/2020   20:11:08  (  50.75,  91.25)   18.38                73
 07/01/2020   20:56:29   ( -65.07, -92.22) 07/01/2020   20:56:31  ( -65.07, -92.23)    0.14                 2