Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 30.  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)
 12/31/2020   03:47:57   (  48.99, -23.44) 12/31/2020   03:48:48  (  49.04, -23.82)   28.65                51
 12/31/2020   04:39:35   ( -46.05, 142.65) 12/31/2020   04:39:08  ( -46.07, 142.64)    2.11                27
 12/31/2020   05:09:24   (  58.25, 111.67) 12/31/2020   05:08:12  (  58.52, 113.25)   96.67                72
 01/02/2021   20:04:10   (  49.45,  92.69) 01/02/2021   20:05:09  (  49.52,  92.25)   32.41                59
 01/02/2021   20:55:56   ( -46.06,-101.42) 01/02/2021   20:55:37  ( -46.07,-101.48)    4.47                19
 01/02/2021   21:31:01   (  75.19,-154.84) 01/02/2021   21:29:48  (  75.59,-152.55)   78.03                73
 01/05/2021   12:20:22   (  49.92,-151.18) 01/05/2021   12:21:29  (  49.98,-151.67)   36.11                67
 01/05/2021   13:12:17   ( -46.00,  14.48) 01/05/2021   13:12:06  ( -46.01,  14.38)    7.72                11
 01/05/2021   13:52:31   (  79.29,-130.50) 01/05/2021   13:51:18  (  79.66,-132.08)   52.46                73
 01/08/2021   05:28:37   ( -46.06, 130.43) 01/08/2021   05:28:34  ( -46.05, 130.28)   11.55                 3
 01/08/2021   06:13:54   (  64.51, -51.27) 01/08/2021   06:12:41  (  64.57, -51.74)   23.35                73
 01/10/2021   21:44:54   ( -46.28,-113.55) 01/10/2021   21:44:58  ( -46.33,-113.74)   14.85                 4