Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 4 23.  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)
 04/23/2020   04:08:27   ( -66.46, 160.92) 04/23/2020   04:08:55  ( -66.46, 160.92)    0.17                28
 04/23/2020   04:58:10   (  69.70, -27.63) 04/23/2020   04:57:22  (  69.71, -27.58)    2.13                48
 04/25/2020   20:24:59   ( -66.02, -83.64) 04/25/2020   20:25:31  ( -66.02, -83.63)    0.74                32
 04/25/2020   21:14:40   (  69.38,  87.81) 04/25/2020   21:13:56  (  69.39,  87.87)    2.42                44
 04/28/2020   12:41:30   ( -65.64,  31.86) 04/28/2020   12:42:06  ( -65.64,  31.88)    0.82                36
 04/28/2020   13:31:07   (  69.22,-156.51) 04/28/2020   13:30:27  (  69.23,-156.46)    2.18                40
 05/01/2020   04:57:59   ( -65.36, 147.49) 05/01/2020   04:58:39  ( -65.36, 147.50)    0.40                40
 05/01/2020   05:47:33   (  69.11, -40.75) 05/01/2020   05:46:57  (  69.12, -40.72)    1.43                36
 05/03/2020   21:14:24   ( -65.25, -96.72) 05/03/2020   21:15:08  ( -65.25, -96.73)    0.53                44
 05/03/2020   22:03:56   (  69.11,  75.15) 05/03/2020   22:03:24  (  69.11,  75.15)    0.21                32
 05/06/2020   13:30:48   ( -65.24,  19.19) 05/06/2020   13:31:36  ( -65.24,  19.15)    1.94                48