Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 5.  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)
 06/05/2021   07:00:31   (   0.08,-128.47) (  -0.62,-131.71)  368.49                80
 06/07/2021   06:48:21   (   0.08,-128.48) (   0.03,-128.76)   31.47                80
 06/09/2021   06:33:30   (   0.08,-128.48) (   0.63,-125.79)  304.88                80
 06/09/2021   18:54:46   (  -0.08,-128.48) (   0.45,-130.95)  281.42                80
 06/11/2021   18:45:16   (  -0.09,-128.48) (  -0.21,-128.00)   54.26                80
 06/13/2021   18:33:05   (  -0.09,-128.47) (  -0.81,-125.04)  389.23                80
 06/14/2021   06:54:30   (   0.09,-128.47) (  -0.25,-130.24)  200.70                80
 06/16/2021   06:39:39   (   0.10,-128.45) (   0.35,-127.28)  133.56                80
 06/16/2021   19:00:55   (  -0.10,-128.43) (   0.73,-132.44)  454.74                80
 06/18/2021   06:27:28   (   0.11,-128.43) (   0.96,-124.32)  467.58                80
 06/18/2021   18:48:44   (  -0.11,-128.42) (   0.12,-129.48)  120.61                80