Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 10 21.  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)
 10/21/2020   06:27:53   (  -0.15,-128.33) (   0.72,-124.24)  465.52                80
 10/21/2020   18:51:48   (   0.16,-128.29) (   0.41,-129.39)  125.51                80
 10/23/2020   18:36:57   (   0.17,-128.25) (  -0.25,-126.44)  207.07                80
 10/24/2020   06:58:21   (  -0.17,-128.28) (  -0.87,-131.63)  380.37                80
 10/26/2020   06:46:09   (  -0.18,-128.24) (  -0.27,-128.66)   47.92                80
 10/28/2020   06:36:37   (  -0.18,-128.21) (   0.33,-125.70)  284.45                80
 10/28/2020   18:57:53   (   0.18,-128.16) (   0.74,-130.86)  306.56                80
 10/30/2020   18:43:01   (   0.18,-128.12) (   0.13,-127.90)   25.35                80
 11/01/2020   18:30:49   (   0.18,-128.07) (  -0.47,-124.93)  356.76                80
 11/02/2020   06:52:13   (  -0.18,-128.09) (  -0.64,-130.12)  231.34                80