Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 4 23.  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)
 04/25/2021   11:20:28   ( -46.11,-155.23) 04/25/2021   11:21:37  ( -46.10,-155.11)    9.71                69
 04/25/2021   12:11:21   (  46.45,  11.93) 04/25/2021   12:11:14  (  46.53,  12.36)   33.54                 7
 04/28/2021   03:39:57   ( -56.99, -44.58) 04/28/2021   03:41:11  ( -57.08, -44.23)   23.45                74
 04/28/2021   04:27:33   (  46.07, 128.02) 04/28/2021   04:27:35  (  46.15, 128.38)   29.01                 2
 04/30/2021   20:02:06   ( -75.65,  46.66) 04/30/2021   20:03:19  ( -75.90,  48.21)   50.88                73
 04/30/2021   20:43:53   (  46.10,-116.05) 04/30/2021   20:44:03  (  46.14,-115.73)   24.92                10
 04/30/2021   21:35:43   ( -50.01,  49.62) 04/30/2021   21:34:34  ( -50.13,  50.33)   52.48                69
 05/03/2021   12:24:18   ( -77.30,  61.06) 05/03/2021   12:25:31  ( -77.76,  58.87)   73.43                73
 05/03/2021   13:00:12   (  46.07,  -0.10) 05/03/2021   13:00:31  (  46.14,   0.15)   20.94                19
 05/03/2021   13:51:53   ( -49.47, 165.80) 05/03/2021   13:50:53  ( -49.59, 166.44)   48.22                60
 05/06/2021   04:46:29   ( -58.96, 147.33) 05/06/2021   04:47:41  ( -59.24, 145.89)   88.00                72
 05/06/2021   05:16:32   (  46.10, 115.82) 05/06/2021   05:16:59  (  46.15, 116.03)   16.79                27