Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 27.  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)
 12/28/2020   11:31:45   (  48.50,-139.58) 12/28/2020   11:32:28  (  48.54,-139.91)   24.81                43
 12/28/2020   12:22:45   ( -47.70,  27.39) 12/28/2020   12:22:11  ( -47.69,  27.38)    0.40                34
 12/31/2020   03:47:57   (  48.97, -23.45) 12/31/2020   03:48:48  (  49.02, -23.83)   28.62                51
 12/31/2020   04:39:35   ( -46.04, 142.64) 12/31/2020   04:39:08  ( -46.05, 142.63)    1.77                27
 12/31/2020   05:09:22   (  58.16, 111.73) 12/31/2020   05:08:10  (  58.43, 113.30)   96.81                72
 01/02/2021   20:04:10   (  49.44,  92.68) 01/02/2021   20:05:09  (  49.50,  92.24)   32.39                59
 01/02/2021   20:55:56   ( -46.04,-101.43) 01/02/2021   20:55:37  ( -46.06,-101.48)    4.33                19
 01/02/2021   21:30:58   (  75.06,-154.46) 01/02/2021   21:29:45  (  75.46,-152.18)   78.27                73
 01/05/2021   12:20:23   (  49.90,-151.19) 01/05/2021   12:21:30  (  49.96,-151.68)   36.10                67
 01/05/2021   13:12:17   ( -46.05,  14.50) 01/05/2021   13:12:06  ( -46.05,  14.40)    7.81                11
 01/05/2021   13:52:29   (  79.38,-129.78) 01/05/2021   13:51:16  (  79.76,-131.35)   52.74                73
 01/08/2021   05:28:37   ( -46.05, 130.42) 01/08/2021   05:28:33  ( -46.10, 130.30)   11.52                 4