Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 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)
 09/10/2020   06:33:53   (  -0.03,-128.09) (   0.46,-125.74)  267.78                80
 09/10/2020   18:57:47   (   0.05,-128.06) (   0.68,-130.88)  321.51                80
 09/12/2020   18:42:58   (   0.05,-128.11) (   0.01,-127.93)   19.80                80
 09/14/2020   18:30:48   (   0.05,-128.15) (  -0.65,-124.99)  360.51                80
 09/15/2020   06:54:51   (  -0.06,-128.21) (  -0.47,-130.17)  223.70                80
 09/17/2020   06:40:01   (  -0.05,-128.24) (   0.20,-127.23)  116.48                80
 09/17/2020   19:03:56   (   0.06,-128.21) (   0.95,-132.37)  473.56                80
 09/19/2020   06:27:50   (  -0.05,-128.28) (   0.81,-124.27)  456.23                80
 09/19/2020   18:51:45   (   0.06,-128.24) (   0.34,-129.41)  133.90                80
 09/21/2020   18:36:55   (   0.06,-128.27) (  -0.34,-126.47)  205.33                80
 09/22/2020   07:00:59   (  -0.07,-128.32) (  -0.78,-131.65)  378.98                80