Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 10.  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)
 06/10/2020   18:32:47   (   0.11,-127.88) (  -0.53,-124.96)  332.31                80
 06/11/2020   06:54:11   (  -0.09,-127.82) (  -0.61,-130.14)  264.19                80
 06/13/2020   06:39:21   (  -0.09,-127.76) (   0.03,-127.19)   64.98                80
 06/15/2020   06:27:11   (  -0.09,-127.70) (   0.66,-124.24)  393.94                80
 06/15/2020   18:48:27   (   0.08,-127.71) (   0.43,-129.39)  190.71                80
 06/17/2020   18:38:56   (   0.08,-127.64) (  -0.15,-126.43)  137.75                80
 06/18/2020   07:00:21   (  -0.07,-127.60) (  -0.92,-131.63)  458.09                80
 06/19/2020   18:26:46   (   0.08,-127.57) (  -0.79,-123.47)  465.50                80
 06/20/2020   06:48:10   (  -0.07,-127.52) (  -0.34,-128.66)  130.64                80
 06/22/2020   06:33:20   (  -0.07,-127.43) (   0.31,-125.71)  196.05                80
 06/22/2020   18:54:35   (   0.06,-127.43) (   0.79,-130.87)  390.21                80