Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 19.  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)
 02/20/2021   02:39:50   (  49.29,  -6.01) 02/20/2021   02:40:47  (  49.42,  -6.66)   48.99                57
 02/20/2021   03:31:35   ( -46.01, 159.93) 02/20/2021   03:31:13  ( -46.07, 159.66)   21.84                22
 02/20/2021   04:05:12   (  70.84, 116.13) 02/20/2021   04:03:59  (  71.14, 118.02)   76.13                73
 02/22/2021   18:56:01   (  49.84, 110.17) 02/22/2021   18:57:07  (  49.96, 109.45)   52.82                66
 02/22/2021   19:47:55   ( -46.04, -84.13) 02/22/2021   19:47:42  ( -46.08, -84.46)   25.61                13
 02/22/2021   20:27:26   (  80.52, 143.69) 02/22/2021   20:26:13  (  80.99, 142.34)   58.19                73
 02/25/2021   12:04:16   ( -46.02,  31.79) 02/25/2021   12:04:11  ( -46.08,  31.43)   29.07                 5
 02/25/2021   12:49:30   (  64.58,-149.82) 02/25/2021   12:48:17  (  64.68,-150.50)   34.43                73
 02/28/2021   04:20:33   ( -46.22, 147.80) 02/28/2021   04:20:36  ( -46.32, 147.40)   32.96                 3
 02/28/2021   05:11:17   (  46.04, -44.94) 02/28/2021   05:10:04  (  46.06, -45.05)    8.66                73
 03/02/2021   20:36:44   ( -46.71, -96.07) 03/02/2021   20:36:56  ( -46.78, -96.55)   36.97                12