Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 9 18.  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)
 09/20/2020   06:51:40   ( -57.17, 113.74) 09/20/2020   06:52:09  ( -57.17, 113.71)    1.87                29
 09/20/2020   07:40:20   (  64.05, -73.82) 09/20/2020   07:39:34  (  64.04, -73.85)    1.94                46
 09/22/2020   23:08:34   ( -55.40,-131.38) 09/22/2020   23:09:08  ( -55.40,-131.38)    0.26                34
 09/22/2020   23:57:10   (  62.53,  40.77) 09/22/2020   23:56:29  (  62.53,  40.80)    1.29                41
 09/25/2020   15:25:00   ( -55.21, -15.57) 09/25/2020   15:25:40  ( -55.21, -15.60)    1.92                40
 09/25/2020   16:13:36   (  62.34, 156.53) 09/25/2020   16:13:01  (  62.33, 156.53)    0.29                35
 09/28/2020   07:41:52   ( -53.54,  99.45) 09/28/2020   07:42:37  ( -53.54,  99.44)    0.58                45
 09/28/2020   08:30:01   (  62.20, -87.66) 09/28/2020   08:29:32  (  62.19, -87.70)    2.11                29
 09/30/2020   23:58:41   ( -51.99,-145.41) 09/30/2020   23:59:31  ( -51.99,-145.41)    0.37                50
 10/01/2020   00:46:48   (  60.78,  27.15) 10/01/2020   00:46:24  (  60.78,  27.15)    0.20                24