Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 16.  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   10:23:39   (  48.78,-122.16) 02/17/2021   10:24:27  (  48.89,-122.75)   45.02                48
 02/17/2021   11:15:15   ( -46.00,  43.99) 02/17/2021   11:14:45  ( -46.02,  43.76)   18.25                30
 02/17/2021   11:42:50   (  50.67,  17.14) 02/17/2021   11:41:38  (  50.88,  18.30)   84.97                72
 02/20/2021   02:39:50   (  49.32,  -6.00) 02/20/2021   02:40:47  (  49.45,  -6.64)   48.96                57
 02/20/2021   03:31:35   ( -46.04, 159.94) 02/20/2021   03:31:13  ( -46.10, 159.67)   21.85                22
 02/20/2021   04:05:13   (  70.87, 116.09) 02/20/2021   04:04:00  (  71.17, 117.97)   76.11                73
 02/22/2021   18:56:02   (  49.81, 110.15) 02/22/2021   18:57:08  (  49.94, 109.44)   52.75                66
 02/22/2021   19:47:56   ( -46.01, -84.14) 02/22/2021   19:47:43  ( -46.05, -84.47)   25.48                13
 02/22/2021   20:27:28   (  80.46, 142.85) 02/22/2021   20:26:15  (  80.93, 141.47)   58.01                73
 02/25/2021   12:04:15   ( -46.04,  31.80) 02/25/2021   12:04:10  ( -46.12,  31.44)   29.09                 5
 02/25/2021   12:49:36   (  64.22,-150.16) 02/25/2021   12:48:23  (  64.31,-150.83)   33.87                73
 02/28/2021   04:20:32   ( -46.24, 147.81) 02/28/2021   04:20:36  ( -46.29, 147.39)   33.01                 4