Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 8 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)
 08/07/2021   18:36:45   (  -0.02,-128.00) (  -0.36,-126.46)  175.23                80
 08/08/2021   07:00:49   (  -0.00,-128.09) (  -0.77,-131.65)  404.80                80
 08/10/2021   06:48:39   (   0.01,-128.13) (  -0.11,-128.70)   64.96                80
 08/12/2021   06:33:49   (   0.02,-128.16) (   0.55,-125.75)  274.48                80
 08/12/2021   18:57:44   (   0.01,-128.08) (   0.58,-130.90)  319.26                80
 08/14/2021   18:42:53   (   0.00,-128.11) (  -0.02,-127.94)   19.74                80
 08/16/2021   18:30:43   (   0.00,-128.13) (  -0.69,-124.99)  357.96                80
 08/17/2021   06:54:47   (  -0.03,-128.22) (  -0.43,-130.18)  221.88                80
 08/19/2021   06:39:56   (  -0.03,-128.23) (   0.18,-127.22)  115.31                80
 08/19/2021   19:03:50   (   0.06,-128.14) (   0.96,-132.36)  479.70                80