Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 15.  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)
 02/17/2021   10:23:38   (  48.82,-122.15) 02/17/2021   10:24:26  (  48.94,-122.73)   45.02                48
 02/17/2021   11:15:14   ( -46.05,  44.01) 02/17/2021   11:14:44  ( -46.07,  43.78)   18.26                30
 02/17/2021   11:42:49   (  50.62,  17.16) 02/17/2021   11:41:37  (  50.83,  18.32)   85.00                72
 02/20/2021   02:39:50   (  49.31,  -6.00) 02/20/2021   02:40:47  (  49.44,  -6.65)   48.91                57
 02/20/2021   03:31:35   ( -46.03, 159.93) 02/20/2021   03:31:13  ( -46.09, 159.66)   21.79                22
 02/20/2021   04:05:13   (  70.88, 116.07) 02/20/2021   04:04:00  (  71.18, 117.96)   76.11                73
 02/22/2021   18:56:01   (  49.86, 110.17) 02/22/2021   18:57:07  (  49.99, 109.46)   52.74                66
 02/22/2021   19:47:56   ( -46.00, -84.15) 02/22/2021   19:47:43  ( -46.04, -84.47)   25.42                13
 02/22/2021   20:27:30   (  80.43, 142.45) 02/22/2021   20:26:17  (  80.90, 141.06)   57.92                73
 02/25/2021   12:04:15   ( -46.03,  31.79) 02/25/2021   12:04:10  ( -46.11,  31.43)   29.04                 5
 02/25/2021   12:49:37   (  64.15,-150.22) 02/25/2021   12:48:24  (  64.25,-150.89)   33.73                73
 02/28/2021   04:20:32   ( -46.23, 147.80) 02/28/2021   04:20:36  ( -46.29, 147.38)   32.93                 4