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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/10/2023   18:12:47   (   0.36, 118.49) (   0.18, 119.40)  102.89                80
 09/12/2023   06:38:01   (  -0.34, 116.86) (  -1.04, 113.91)  337.49                80
 09/13/2023   06:17:02   (  -0.35, 115.82) (   0.24, 118.31)  284.47                80
 09/14/2023   18:42:06   (   0.33, 114.24) (   0.63, 112.86)  156.93                80
 09/15/2023   18:21:06   (   0.35, 113.20) (  -0.59, 117.27)  464.77                80
 09/17/2023   06:43:39   (  -0.33, 111.56) (  -0.30, 111.80)   26.28                80
 09/18/2023   19:08:44   (   0.31, 109.96) (   1.11, 106.34)  412.83                80
 09/19/2023   18:47:43   (   0.33, 108.92) (  -0.06, 110.76)  209.55                80
 09/21/2023   07:12:57   (  -0.31, 107.28) (  -0.76, 105.27)  229.48                80
 09/22/2023   06:51:57   (  -0.32, 106.22) (   0.47, 109.68)  394.05                80