Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 13.  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)
 12/13/2021   18:37:01   (  -0.14,-127.82) (  -0.44,-126.48)  152.46                80
 12/14/2021   07:01:05   (   0.13,-127.77) (  -0.67,-131.67)  442.58                80
 12/15/2021   18:24:49   (  -0.14,-127.75) (  -1.04,-123.52)  480.72                80
 12/16/2021   06:48:53   (   0.13,-127.70) (  -0.07,-128.71)  114.49                80
 12/18/2021   06:34:01   (   0.13,-127.62) (   0.54,-125.75)  213.01                80
 12/18/2021   18:57:56   (  -0.11,-127.62) (   0.58,-130.90)  372.38                80
 12/20/2021   18:45:44   (  -0.11,-127.54) (  -0.03,-127.94)   45.54                80
 12/22/2021   18:30:52   (  -0.11,-127.44) (  -0.65,-124.98)  280.90                80
 12/23/2021   06:54:55   (   0.09,-127.39) (  -0.52,-130.15)  314.50                80
 12/25/2021   06:40:03   (   0.09,-127.30) (   0.10,-127.19)   11.58                80