Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 8.  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)
 03/09/2021   18:30:27   (   0.15,-128.41) (  -0.61,-124.95)  393.16                80
 03/10/2021   06:54:29   (  -0.16,-128.32) (  -0.56,-130.13)  206.17                80
 03/12/2021   06:39:37   (  -0.15,-128.34) (   0.10,-127.18)  132.31                80
 03/12/2021   19:00:52   (   0.16,-128.43) (   1.00,-132.34)  444.00                80
 03/14/2021   06:27:25   (  -0.15,-128.36) (   0.71,-124.22)  470.78                80
 03/14/2021   18:48:40   (   0.16,-128.45) (   0.34,-129.39)  105.53                80
 03/16/2021   18:39:07   (   0.15,-128.47) (  -0.27,-126.42)  232.59                80
 03/17/2021   07:00:31   (  -0.16,-128.39) (  -0.83,-131.61)  366.49                80
 03/19/2021   06:48:18   (  -0.15,-128.40) (  -0.22,-128.65)   29.34                80
 03/21/2021   06:33:26   (  -0.15,-128.40) (   0.45,-125.70)  307.22                80
 03/21/2021   18:54:41   (   0.14,-128.48) (   0.66,-130.86)  270.28                80