Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-20
TLE Epoch: 2020 8 29.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-20) NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2020   04:30:55   ( -81.20,-126.66) 09/11/2020   04:29:39  ( -81.20,-126.50)    2.85                76
 09/11/2020   06:12:24   ( -81.20,-152.02) 09/11/2020   06:11:09  ( -81.20,-151.93)    1.53                75
 09/11/2020   07:03:09   (  81.21,  15.22) 09/11/2020   07:01:54  (  81.20,  15.29)    1.15                75
 09/11/2020   07:53:53   ( -81.20,-177.37) 09/11/2020   07:52:39  ( -81.20,-177.36)    0.21                74
 09/11/2020   08:44:38   (  81.21, -10.13) 09/11/2020   08:43:24  (  81.21, -10.14)    0.19                74
 09/11/2020   09:35:22   ( -81.20, 157.28) 09/11/2020   09:34:09  ( -81.20, 157.21)    1.12                73
 09/11/2020   10:26:07   (  81.20, -35.48) 09/11/2020   10:24:54  (  81.21, -35.57)    1.53                73
 09/11/2020   11:16:52   ( -81.21, 131.54) 09/11/2020   11:15:40  ( -81.22, 131.40)    2.45                72
 09/11/2020   12:07:36   (  81.20, -60.84) 09/11/2020   12:06:24  (  81.21, -61.00)    2.87                72
 09/11/2020   12:58:21   ( -81.21, 106.18) 09/11/2020   12:57:09  ( -81.21, 106.35)    2.82                72
 09/11/2020   13:49:06   (  81.21, -86.58) 09/11/2020   13:47:54  (  81.21, -86.44)    2.41                72
 09/11/2020   14:39:50   ( -81.21,  80.83) 09/11/2020   14:38:39  ( -81.21,  80.92)    1.49                71
 09/11/2020   15:30:35   (  81.21,-111.93) 09/11/2020   15:29:24  (  81.21,-111.87)    1.08                71
 09/11/2020   16:21:19   ( -81.21,  55.48) 09/11/2020   16:20:09  ( -81.21,  55.49)    0.17                70
 09/11/2020   17:12:04   (  81.21,-137.28) 09/11/2020   17:10:54  (  81.21,-137.30)    0.27                70
 09/11/2020   18:02:48   ( -81.21,  30.12) 09/11/2020   18:01:39  ( -81.21,  30.06)    1.16                69
 09/11/2020   18:53:33   (  81.21,-162.64) 09/11/2020   18:52:24  (  81.21,-162.73)    1.61                69
 09/11/2020   19:44:17   ( -81.21,   4.77) 09/11/2020   19:43:09  ( -81.21,   4.63)    2.48                68
 09/11/2020   20:35:02   (  81.21, 172.01) 09/11/2020   20:33:54  (  81.22, 171.84)    2.95                68
 09/11/2020   21:25:46   ( -81.21, -20.58) 09/11/2020   21:24:38  ( -81.20, -20.42)    2.78                68
 09/11/2020   22:16:31   (  81.21, 146.65) 09/11/2020   22:15:23  (  81.21, 146.79)    2.34                68
 09/11/2020   23:07:15   ( -81.21, -45.94) 09/11/2020   23:06:08  ( -81.21, -45.85)    1.46                67
 09/11/2020   23:58:00   (  81.21, 121.30) 09/11/2020   23:56:53  (  81.21, 121.36)    1.00                67
 09/12/2020   00:48:44   ( -81.21, -71.29) 09/12/2020   00:47:38  ( -81.21, -71.28)    0.14                66
 09/12/2020   01:39:29   (  81.21,  95.95) 09/12/2020   01:38:23  (  81.21,  95.93)    0.34                66