Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 6 10.  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)
 06/13/2020   02:11:35   (  63.16,   7.33) 06/13/2020   02:12:16  (  63.16,   7.33)    0.21                41
 06/13/2020   03:01:03   ( -67.47, 179.01) 06/13/2020   03:00:29  ( -67.48, 179.05)    1.60                34
 06/15/2020   18:28:11   (  62.47, 122.65) 06/15/2020   18:28:57  (  62.47, 122.66)    0.55                46
 06/15/2020   19:17:34   ( -67.07, -65.55) 06/15/2020   19:17:05  ( -67.08, -65.51)    1.94                29
 06/18/2020   10:44:43   (  61.99,-121.82) 06/18/2020   10:45:34  (  61.99,-121.82)    0.42                51
 06/18/2020   11:34:04   ( -66.72,  49.96) 06/18/2020   11:33:40  ( -66.73,  50.00)    1.74                24
 06/21/2020   03:01:13   (  61.57,  -6.24) 06/21/2020   03:02:09  (  61.57,  -6.25)    0.19                56
 06/21/2020   03:50:30   ( -66.54, 165.66) 06/21/2020   03:50:11  ( -66.54, 165.68)    1.00                19
 06/23/2020   19:17:41   (  61.32, 109.47) 06/23/2020   19:18:42  (  61.31, 109.45)    1.25                61
 06/23/2020   20:06:55   ( -66.46, -78.51) 06/23/2020   20:06:41  ( -66.46, -78.52)    0.27                14