Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 4 20.  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)
 04/20/2021   04:03:01   (  46.02, -27.55) 04/20/2021   04:01:58  (  46.14, -28.04)   40.19                63
 04/22/2021   19:04:08   ( -46.10,  88.83) 04/22/2021   19:05:09  ( -46.15,  88.99)   13.53                61
 04/22/2021   19:55:10   (  46.97,-104.21) 04/22/2021   19:54:54  (  47.05,-103.72)   38.32                16
 04/25/2021   11:20:27   ( -46.07,-155.22) 04/25/2021   11:21:37  ( -46.12,-155.11)    9.74                70
 04/25/2021   12:11:20   (  46.42,  11.95) 04/25/2021   12:11:13  (  46.49,  12.37)   33.56                 7
 04/28/2021   03:39:57   ( -56.95, -44.56) 04/28/2021   03:41:10  ( -56.98, -44.18)   23.46                73
 04/28/2021   04:27:34   (  46.10, 128.01) 04/28/2021   04:27:36  (  46.18, 128.37)   29.13                 2
 04/30/2021   20:02:01   ( -75.43,  47.34) 04/30/2021   20:03:14  ( -75.68,  48.87)   50.58                73
 04/30/2021   20:43:52   (  46.07,-116.04) 04/30/2021   20:44:02  (  46.12,-115.72)   24.92                10
 04/30/2021   21:35:42   ( -49.97,  49.64) 04/30/2021   21:34:33  ( -50.10,  50.35)   52.53                69
 05/03/2021   12:24:10   ( -77.62,  62.53) 05/03/2021   12:25:23  ( -78.09,  60.35)   73.06                73
 05/03/2021   13:00:12   (  46.10,  -0.11) 05/03/2021   13:00:30  (  46.12,   0.16)   21.06                18