Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 28.  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   11:31:44   (  48.51,-139.57) 12/28/2020   11:32:27  (  48.55,-139.91)   24.82                43
 12/28/2020   12:22:46   ( -47.64,  27.37) 12/28/2020   12:22:12  ( -47.64,  27.36)    0.37                34
 12/31/2020   03:47:57   (  48.98, -23.45) 12/31/2020   03:48:48  (  49.03, -23.83)   28.63                51
 12/31/2020   04:39:35   ( -46.04, 142.64) 12/31/2020   04:39:08  ( -46.06, 142.64)    1.99                27
 12/31/2020   05:09:23   (  58.21, 111.70) 12/31/2020   05:08:11  (  58.48, 113.27)   96.75                72
 01/02/2021   20:04:10   (  49.44,  92.68) 01/02/2021   20:05:09  (  49.51,  92.25)   32.39                59
 01/02/2021   20:55:56   ( -46.05,-101.43) 01/02/2021   20:55:37  ( -46.06,-101.48)    4.45                19
 01/02/2021   21:31:01   (  75.20,-154.87) 01/02/2021   21:29:48  (  75.60,-152.58)   78.04                73
 01/05/2021   12:20:23   (  49.90,-151.18) 01/05/2021   12:21:30  (  49.97,-151.68)   36.09                67
 01/05/2021   13:12:17   ( -46.05,  14.50) 01/05/2021   13:12:06  ( -46.06,  14.40)    7.77                11
 01/05/2021   13:52:34   (  79.21,-131.08) 01/05/2021   13:51:21  (  79.58,-132.66)   52.28                73
 01/08/2021   05:28:37   ( -46.05, 130.43) 01/08/2021   05:28:34  ( -46.05, 130.28)   11.43                 3
 01/08/2021   06:13:57   (  64.34, -51.44) 01/08/2021   06:12:44  (  64.39, -51.90)   23.03                73
 01/10/2021   21:44:54   ( -46.28,-113.56) 01/10/2021   21:44:58  ( -46.33,-113.74)   15.00                 4