Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 8.  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)
 02/09/2021   09:35:05   (  47.24,-110.60) 02/09/2021   09:35:26  (  47.31,-111.02)   32.57                21
 02/09/2021   10:26:14   ( -46.01,  56.20) 02/09/2021   10:25:17  ( -46.05,  56.13)    7.42                57
 02/12/2021   01:51:17   (  47.73,   5.53) 02/12/2021   01:51:47  (  47.82,   5.06)   36.80                30
 02/12/2021   02:42:34   ( -46.05, 172.15) 02/12/2021   02:41:46  ( -46.09, 172.02)   10.85                48
 02/14/2021   18:07:27   (  48.28, 121.69) 02/14/2021   18:08:06  (  48.39, 121.16)   41.03                39
 02/14/2021   18:58:54   ( -46.03, -71.93) 02/14/2021   18:58:15  ( -46.06, -72.11)   14.43                39
 02/17/2021   10:23:39   (  48.77,-122.17) 02/17/2021   10:24:27  (  48.89,-122.75)   45.09                48
 02/17/2021   11:15:14   ( -46.06,  44.01) 02/17/2021   11:14:44  ( -46.08,  43.78)   18.27                30
 02/17/2021   11:42:55   (  50.97,  17.00) 02/17/2021   11:41:43  (  51.18,  18.17)   84.99                72
 02/20/2021   02:39:50   (  49.31,  -6.00) 02/20/2021   02:40:47  (  49.45,  -6.65)   49.10                57
 02/20/2021   03:31:35   ( -46.03, 159.93) 02/20/2021   03:31:13  ( -46.10, 159.67)   22.09                22
 02/20/2021   04:05:22   (  71.35, 115.26) 02/20/2021   04:04:09  (  71.66, 117.17)   75.80                73
 02/22/2021   18:56:01   (  49.85, 110.17) 02/22/2021   18:57:07  (  50.00, 109.47)   52.98                66
 02/22/2021   19:47:55   ( -46.05, -84.13) 02/22/2021   19:47:42  ( -46.12, -84.45)   25.62                13