Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 4 11.  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)
 04/12/2021   01:31:27   (  49.90,  11.64) 04/12/2021   01:32:34  (  50.09,  10.61)   76.94                67
 04/12/2021   01:58:50   ( -46.06, -14.90) 04/12/2021   01:59:15  ( -46.10, -14.51)   30.46                25
 04/12/2021   02:50:28   (  49.01, 151.18) 04/12/2021   02:49:36  (  49.14, 151.93)   56.44                52
 04/14/2021   18:15:09   ( -46.07, 101.03) 04/14/2021   18:15:43  ( -46.15, 101.36)   26.38                34
 04/14/2021   19:25:29   (  62.71, 109.96) 04/14/2021   19:24:16  (  62.86, 109.05)   49.34                73
 04/17/2021   10:31:29   ( -46.08,-143.04) 04/17/2021   10:32:11  ( -46.14,-142.76)   22.30                42
 04/17/2021   11:46:42   (  46.02,-143.49) 04/17/2021   11:45:30  (  46.07,-143.94)   35.40                72
 04/20/2021   02:47:49   ( -46.10, -27.11) 04/20/2021   02:48:39  ( -46.13, -26.87)   18.33                50
 04/20/2021   04:03:02   (  46.00, -27.56) 04/20/2021   04:01:58  (  46.07, -28.06)   39.31                64
 04/22/2021   19:04:08   ( -46.06,  88.85) 04/22/2021   19:05:06  ( -46.08,  89.03)   14.35                58