Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2023 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2023   14:48:12   (   0.32, 109.19) (   0.62, 110.63)  162.86                80
 09/20/2023   03:12:09   (  -0.34, 108.55) (   0.33, 105.44)  353.69                80
 09/22/2023   02:57:24   (  -0.32, 106.44) (  -0.69, 108.32)  212.96                80
 09/22/2023   15:21:30   (   0.33, 105.99) (  -0.29, 103.10)  328.40                80
 09/24/2023   15:06:45   (   0.32, 103.87) (   0.76, 105.97)  238.64                80
 09/25/2023   03:30:43   (  -0.33, 103.23) (   0.17, 100.78)  277.75                80
 09/27/2023   03:15:57   (  -0.32, 101.10) (  -0.85, 103.66)  290.85                80
 09/27/2023   15:40:03   (   0.34, 100.64) (  -0.12,  98.45)  249.41                80
 09/29/2023   15:25:17   (   0.33,  98.50) (   0.93, 101.32)  320.31                80
 09/30/2023   03:49:15   (  -0.34,  97.86) (  -0.00,  96.13)  195.63                80