Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 14.  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)
 12/14/2021   07:01:05   (   0.13,-127.77) (  -0.67,-131.67)  442.70                80
 12/15/2021   18:24:49   (  -0.14,-127.75) (  -1.05,-123.52)  480.71                80
 12/16/2021   06:48:53   (   0.13,-127.70) (  -0.06,-128.71)  114.70                80
 12/18/2021   06:34:01   (   0.13,-127.61) (   0.55,-125.75)  212.72                80
 12/18/2021   18:57:56   (  -0.11,-127.62) (   0.58,-130.90)  372.54                80
 12/20/2021   18:45:44   (  -0.11,-127.53) (  -0.04,-127.94)   45.80                80
 12/22/2021   18:30:52   (  -0.11,-127.44) (  -0.65,-124.98)  280.57                80
 12/23/2021   06:54:55   (   0.09,-127.39) (  -0.51,-130.15)  315.01                80
 12/25/2021   06:40:03   (   0.09,-127.29) (   0.11,-127.20)   10.93                80
 12/27/2021   06:27:51   (   0.09,-127.19) (   0.74,-124.24)  336.53                80
 12/27/2021   18:51:46   (  -0.08,-127.19) (   0.39,-129.39)  249.55                80