Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 2 4.  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)
 02/05/2021   18:33:19   (  -0.07,-127.39) (  -0.61,-124.96)  277.07                80
 02/06/2021   06:52:03   (   0.11,-127.31) (  -0.50,-130.15)  322.75                80
 02/08/2021   06:42:31   (   0.11,-127.22) (   0.11,-127.19)    3.68                80
 02/10/2021   06:30:19   (   0.10,-127.13) (   0.73,-124.23)  329.95                80
 02/10/2021   18:48:55   (  -0.14,-127.17) (   0.34,-129.39)  253.65                80
 02/12/2021   18:39:23   (  -0.14,-127.07) (  -0.28,-126.44)   72.59                80
 02/14/2021   18:27:11   (  -0.13,-126.98) (  -0.90,-123.48)  398.90                80
 02/15/2021   06:45:55   (   0.17,-126.90) (  -0.21,-128.67)  201.55                80
 02/17/2021   06:36:23   (   0.17,-126.80) (   0.42,-125.71)  124.29                80
 02/17/2021   18:54:59   (  -0.21,-126.84) (   0.65,-130.87)  459.03                80