Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 28.  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)
 12/30/2021   07:19:15   (  81.09,  17.23) 12/30/2021   07:20:28  (  81.56,  18.03)   54.72                73
 12/30/2021   08:05:49   ( -71.38,-122.67) 12/30/2021   08:05:50  ( -71.38,-122.70)    1.11                 1
 12/30/2021   08:54:10   (  63.54,  54.41) 12/30/2021   08:52:57  (  63.50,  54.03)   19.20                73
 01/01/2022   22:42:47   ( -73.14,  14.76) 01/01/2022   22:43:59  ( -73.15,  14.69)    2.32                72
 01/01/2022   23:32:54   (  71.14,-174.03) 01/01/2022   23:32:49  (  71.15,-174.08)    1.95                 5
 01/04/2022   14:10:03   (  73.43, -37.67) 01/04/2022   14:11:08  (  73.42, -37.64)    1.00                65
 01/04/2022   15:00:11   ( -71.53, 133.51) 01/04/2022   14:59:58  ( -71.52, 133.56)    1.84                13
 01/07/2022   05:37:03   ( -72.94, -88.36) 01/07/2022   05:38:01  ( -72.95, -88.43)    2.39                58
 01/07/2022   06:27:09   (  70.90,  82.84) 01/07/2022   06:26:50  (  70.90,  82.80)    1.79                19
 01/09/2022   21:04:12   (  72.90,-140.04) 01/09/2022   21:05:03  (  72.91,-140.09)    2.10                51