Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 24.  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)
 01/25/2020   18:36:47   (   0.00,-128.35) (  -0.38,-126.45)  215.78                80
 01/26/2020   06:58:11   (  -0.01,-128.36) (  -0.73,-131.64)  373.53                80
 01/28/2020   06:45:59   (  -0.01,-128.32) (  -0.10,-128.68)   41.25                80
 01/30/2020   06:36:27   (  -0.02,-128.28) (   0.53,-125.73)  290.73                80
 01/30/2020   18:57:41   (   0.02,-128.26) (   0.60,-130.88)  298.51                80
 02/01/2020   18:42:50   (   0.02,-128.21) (  -0.03,-127.92)   32.71                80
 02/03/2020   18:30:38   (   0.01,-128.16) (  -0.67,-124.96)  363.17                80
 02/04/2020   06:52:01   (  -0.01,-128.16) (  -0.43,-130.15)  227.04                80
 02/06/2020   06:42:29   (  -0.01,-128.10) (   0.20,-127.20)  102.57                80
 02/06/2020   19:03:44   (   0.02,-128.07) (   0.92,-132.35)  486.77                80