Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 15.  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)
 06/16/2021   06:39:39   (   0.10,-128.45) (   0.33,-127.27)  133.73                80
 06/16/2021   19:00:54   (  -0.10,-128.43) (   0.75,-132.43)  454.45                80
 06/18/2021   06:27:29   (   0.11,-128.43) (   1.00,-124.32)  467.86                80
 06/18/2021   18:48:43   (  -0.11,-128.42) (   0.14,-129.47)  120.18                80
 06/20/2021   18:39:14   (  -0.11,-128.39) (  -0.53,-126.52)  213.63                80
 06/21/2021   07:00:37   (   0.10,-128.41) (  -0.59,-131.71)  375.12                80
 06/23/2021   06:48:26   (   0.10,-128.37) (   0.02,-128.75)   42.48                80
 06/25/2021   06:33:35   (   0.11,-128.33) (   0.64,-125.79)  289.33                80
 06/25/2021   18:54:51   (  -0.10,-128.30) (   0.43,-130.95)  300.76                80
 06/27/2021   18:45:20   (  -0.11,-128.26) (  -0.19,-127.99)   30.99                80