Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 20.  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)
 11/20/2021   17:08:41   ( -70.27, 103.12) 11/20/2021   17:08:52  ( -70.27, 103.10)    1.09                11
 11/20/2021   17:58:39   (  67.61, -85.90) 11/20/2021   17:57:32  (  67.60, -85.85)    2.12                67
 11/23/2021   07:45:58   ( -72.20,-119.41) 11/23/2021   07:47:04  ( -72.20,-119.42)    0.13                66
 11/23/2021   08:36:00   (  69.82,  51.96) 11/23/2021   08:35:48  (  69.82,  51.98)    0.87                12
 11/25/2021   23:13:21   (  71.35,-169.72) 11/25/2021   23:13:52  (  71.35,-169.71)    0.44                31
 11/26/2021   00:03:09   ( -68.37,   2.11) 11/26/2021   00:02:23  ( -68.37,   2.11)    0.28                46
 11/28/2021   13:50:43   (  72.27, -30.69) 11/28/2021   13:51:45  (  72.27, -30.69)    0.17                62
 11/28/2021   14:40:48   ( -70.20, 140.24) 11/28/2021   14:40:32  ( -70.20, 140.30)    2.57                16
 12/01/2021   04:33:19   (  80.62,  26.07) 12/01/2021   04:34:32  (  81.26,  24.51)   75.56                73
 12/01/2021   05:18:11   ( -70.59, -79.68) 12/01/2021   05:18:14  ( -70.59, -79.67)    0.49                 3
 12/01/2021   06:07:07   (  64.55,  95.12) 12/01/2021   06:05:54  (  64.55,  94.91)    9.72                73
 12/03/2021   19:55:40   ( -70.60,  60.94) 12/03/2021   19:55:50  ( -70.61,  60.90)    1.65                10