Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2023 7 10.  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)
 07/10/2023   09:45:05   (   0.12,-177.89) (   1.00,-173.76)  469.86                80
 07/10/2023   22:09:02   (  -0.08,-178.45) (   0.01,-178.93)   54.39                80
 07/13/2023   10:18:24   (   0.06, 179.00) (   0.02, 178.73)   30.59                80
 07/15/2023   22:24:57   (  -0.05, 176.40) (  -0.07, 176.42)    2.98                80
 07/18/2023   10:34:18   (   0.04, 173.87) (   0.08, 174.09)   25.15                80
 07/18/2023   22:58:14   (   0.01, 173.31) (   0.92, 168.91)  499.50                80
 07/20/2023   22:43:29   (  -0.03, 171.27) (  -0.11, 171.79)   58.06                80
 07/21/2023   11:07:34   (  -0.02, 170.77) (  -0.94, 166.59)  476.38                80
 07/23/2023   10:52:50   (   0.01, 168.73) (   0.16, 169.45)   81.15                80
 07/23/2023   23:16:47   (   0.04, 168.18) (   0.84, 164.27)  443.55                80