Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 7.  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)
 09/08/2021   18:39:39   (  -0.31,-128.17) (  -0.64,-126.52)  187.22                80
 09/09/2021   06:58:24   (   0.34,-128.22) (  -0.43,-131.72)  398.85                80
 09/11/2021   06:46:13   (   0.33,-128.19) (   0.19,-128.76)   65.27                80
 09/13/2021   06:36:42   (   0.32,-128.16) (   0.82,-125.80)  267.51                80
 09/13/2021   18:55:18   (  -0.35,-128.10) (   0.26,-130.96)  325.99                80
 09/15/2021   18:45:47   (  -0.34,-128.06) (  -0.36,-128.01)    6.18                80
 09/17/2021   18:33:36   (  -0.33,-128.01) (  -0.99,-125.05)  337.71                80
 09/18/2021   06:52:20   (   0.35,-128.06) (  -0.12,-130.24)  248.43                80
 09/20/2021   06:42:49   (   0.35,-128.01) (   0.51,-127.28)   83.31                80