Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 27.  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)
 01/29/2021   15:38:19   ( -49.68, -20.61) 01/29/2021   15:39:22  ( -49.78, -21.20)   43.44                63
 01/29/2021   16:30:04   (  46.03, 145.19) 01/29/2021   16:29:48  (  46.06, 144.99)   15.53                16
 01/29/2021   17:08:15   ( -81.19,  44.18) 01/29/2021   17:07:02  ( -81.76,  44.53)   63.37                73
 02/01/2021   07:54:31   ( -50.18,  95.54) 02/01/2021   07:55:43  ( -50.32,  94.91)   47.51                72
 02/01/2021   08:46:25   (  46.01, -98.89) 02/01/2021   08:46:18  (  46.06, -99.13)   19.36                 7
 02/01/2021   09:30:42   ( -67.97,  83.19) 02/01/2021   09:29:28  ( -68.12,  82.46)   34.54                74
 02/04/2021   01:02:43   (  46.17,  17.10) 02/04/2021   01:02:45  (  46.24,  16.81)   23.51                 2
 02/04/2021   01:52:47   ( -48.68,-174.56) 02/04/2021   01:51:34  ( -48.67,-174.62)    4.31                73
 02/06/2021   17:18:53   (  46.73, 133.25) 02/06/2021   17:19:05  (  46.77, 132.89)   28.05                12
 02/06/2021   18:09:53   ( -46.02, -59.73) 02/06/2021   18:08:47  ( -46.05, -59.76)    4.23                66
 02/09/2021   09:35:05   (  47.23,-110.62) 02/09/2021   09:35:26  (  47.29,-111.03)   32.28                21