Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 23.  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)
 09/24/2021   18:39:41   (  -0.36,-127.74) (  -0.60,-126.51)  139.55                80
 09/25/2021   06:58:26   (   0.37,-127.76) (  -0.46,-131.71)  448.70                80
 09/26/2021   18:27:30   (  -0.35,-127.67) (  -1.24,-123.55)  468.10                80
 09/27/2021   06:46:14   (   0.36,-127.69) (   0.13,-128.74)  120.29                80
 09/29/2021   06:36:42   (   0.36,-127.61) (   0.72,-125.78)  207.49                80
 09/29/2021   18:55:18   (  -0.37,-127.54) (   0.35,-130.94)  385.84                80
 10/01/2021   18:43:06   (  -0.36,-127.46) (  -0.24,-127.97)   58.71                80
 10/03/2021   18:33:34   (  -0.36,-127.37) (  -0.83,-125.00)  268.05                80
 10/04/2021   06:52:18   (   0.37,-127.39) (  -0.22,-130.21)  320.53                80
 10/06/2021   06:42:46   (   0.37,-127.29) (   0.38,-127.24)    5.80                80