Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 24.  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)
 12/25/2020   19:15:33   (  47.98, 104.28) 12/25/2020   19:16:07  (  48.06, 104.02)   20.85                34
 12/25/2020   20:05:45   ( -49.99, -87.55) 12/25/2020   20:05:04  ( -49.99, -87.57)    1.48                41
 12/28/2020   11:31:44   (  48.51,-139.58) 12/28/2020   11:32:27  (  48.55,-139.91)   24.82                43
 12/28/2020   12:22:46   ( -47.65,  27.37) 12/28/2020   12:22:12  ( -47.64,  27.36)    0.33                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)    2.02                27
 12/31/2020   05:09:23   (  58.21, 111.70) 12/31/2020   05:08:11  (  58.48, 113.27)   96.79                72
 01/02/2021   20:04:10   (  49.44,  92.68) 01/02/2021   20:05:09  (  49.50,  92.24)   32.40                59
 01/02/2021   20:55:56   ( -46.04,-101.43) 01/02/2021   20:55:37  ( -46.06,-101.48)    4.42                19
 01/02/2021   21:31:00   (  75.15,-154.74) 01/02/2021   21:29:47  (  75.56,-152.46)   78.14                73
 01/05/2021   12:20:23   (  49.90,-151.19) 01/05/2021   12:21:30  (  49.96,-151.68)   36.11                67
 01/05/2021   13:12:17   ( -46.04,  14.50) 01/05/2021   13:12:06  ( -46.05,  14.40)    7.79                11