Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 28.  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)
 01/28/2020   06:45:59   (  -0.01,-128.32) (  -0.07,-128.69)   41.50                80
 01/30/2020   06:36:26   (  -0.02,-128.28) (   0.50,-125.72)  290.37                80
 01/30/2020   18:57:42   (   0.02,-128.25) (   0.56,-130.88)  298.84                80
 02/01/2020   18:42:50   (   0.02,-128.20) (  -0.07,-127.93)   32.33                80
 02/03/2020   18:30:37   (   0.01,-128.15) (  -0.64,-124.96)  362.46                80
 02/04/2020   06:52:01   (  -0.01,-128.15) (  -0.46,-130.15)  227.93                80
 02/06/2020   06:42:29   (  -0.01,-128.09) (   0.18,-127.19)  101.46                80
 02/06/2020   19:03:44   (   0.02,-128.06) (   0.94,-132.34)  487.85                80
 02/08/2020   06:30:17   (  -0.00,-128.02) (   0.82,-124.24)  430.03                80
 02/08/2020   18:51:32   (   0.00,-127.99) (   0.31,-129.39)  159.75                80
 02/10/2020   18:36:40   (   0.00,-127.91) (  -0.33,-126.43)  168.61                80