Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 22.  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)
 02/22/2021   18:56:01   (  49.84, 110.17) 02/22/2021   18:57:07  (  49.97, 109.46)   52.89                66
 02/22/2021   19:47:55   ( -46.04, -84.13) 02/22/2021   19:47:42  ( -46.08, -84.46)   25.63                13
 02/22/2021   20:27:30   (  80.42, 142.38) 02/22/2021   20:26:17  (  80.89, 140.98)   57.97                73
 02/25/2021   12:04:16   ( -46.01,  31.79) 02/25/2021   12:04:11  ( -46.08,  31.43)   29.17                 5
 02/25/2021   12:49:36   (  64.25,-150.13) 02/25/2021   12:48:23  (  64.34,-150.80)   34.00                73
 02/28/2021   04:20:32   ( -46.21, 147.80) 02/28/2021   04:20:35  ( -46.32, 147.40)   33.18                 3
 02/28/2021   05:11:16   (  46.03, -44.94) 02/28/2021   05:10:03  (  46.06, -45.05)    8.87                73
 03/02/2021   20:36:44   ( -46.69, -96.08) 03/02/2021   20:36:56  ( -46.78, -96.55)   37.05                12
 03/02/2021   21:27:36   (  46.05,  71.00) 03/02/2021   21:26:32  (  46.05,  70.83)   12.80                64
 03/05/2021   12:28:44   ( -46.08,-172.62) 03/05/2021   12:29:42  ( -46.16,-172.13)   38.54                58
 03/05/2021   13:43:57   (  46.01,-173.09) 03/05/2021   13:43:01  (  46.03,-173.29)   16.01                56