Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 1.  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)
 12/03/2020   18:33:31   (   0.21,-127.98) (  -0.46,-124.94)  346.21                80
 12/04/2020   06:52:15   (  -0.20,-128.01) (  -0.66,-130.13)  241.16                80
 12/06/2020   06:42:44   (  -0.21,-128.05) (  -0.02,-127.18)   99.50                80
 12/06/2020   19:01:20   (   0.19,-128.04) (   1.08,-132.34)  488.12                80
 12/08/2020   06:30:33   (  -0.21,-128.09) (   0.63,-124.23)  439.86                80
 12/08/2020   18:49:08   (   0.20,-128.08) (   0.49,-129.38)  147.95                80
 12/10/2020   18:39:37   (   0.20,-128.11) (  -0.16,-126.42)  191.74                80
 12/11/2020   06:58:21   (  -0.18,-128.13) (  -0.90,-131.63)  396.42                80
 12/13/2020   06:46:10   (  -0.19,-128.16) (  -0.30,-128.66)   57.46                80
 12/15/2020   06:36:38   (  -0.19,-128.18) (   0.31,-125.70)  280.91                80
 12/15/2020   18:55:13   (   0.17,-128.16) (   0.76,-130.86)  307.17                80