Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2023   18:07:10   (   0.38, 123.71) (   0.87, 121.50)  251.41                80
 09/06/2023   17:46:09   (   0.39, 122.68) (  -0.34, 125.91)  368.31                80
 09/08/2023   06:11:23   (  -0.37, 121.06) (  -0.52, 120.43)   72.34                80
 09/10/2023   18:12:47   (   0.36, 118.46) (   0.18, 119.40)  105.92                80
 09/12/2023   06:38:02   (  -0.34, 116.83) (  -1.03, 113.91)  334.31                80
 09/13/2023   06:17:02   (  -0.35, 115.78) (   0.25, 118.31)  288.16                80
 09/14/2023   18:42:06   (   0.33, 114.19) (   0.62, 112.86)  151.76                80
 09/15/2023   18:21:06   (   0.35, 113.15) (  -0.60, 117.27)  470.46                80
 09/17/2023   06:43:39   (  -0.33, 111.51) (  -0.30, 111.79)   32.21                80
 09/18/2023   19:08:44   (   0.31, 109.90) (   1.11, 106.34)  405.52                80