Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2023   17:46:10   (   0.39, 122.69) (  -0.36, 125.91)  368.24                80
 09/08/2023   06:11:24   (  -0.37, 121.06) (  -0.50, 120.42)   72.38                80
 09/10/2023   18:12:48   (   0.36, 118.47) (   0.16, 119.39)  105.44                80
 09/12/2023   06:38:02   (  -0.34, 116.84) (  -1.01, 113.90)  334.69                80
 09/13/2023   06:17:01   (  -0.35, 115.79) (   0.21, 118.31)  287.68                80
 09/14/2023   18:42:06   (   0.33, 114.20) (   0.66, 112.87)  152.55                80
 09/15/2023   18:21:05   (   0.35, 113.16) (  -0.56, 117.28)  469.60                80
 09/17/2023   06:43:40   (  -0.33, 111.51) (  -0.27, 111.79)   31.22                80
 09/18/2023   19:08:44   (   0.31, 109.91) (   1.14, 106.35)  406.66                80
 09/19/2023   18:47:43   (   0.33, 108.86) (  -0.08, 110.76)  216.15                80