Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 12 15.  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)
 12/15/2019   18:43:04   (  -0.11,-127.97) (  -0.14,-127.95)    3.84                80
 12/17/2019   18:30:52   (  -0.11,-127.90) (  -0.75,-124.99)  331.50                80
 12/18/2019   06:54:56   (   0.10,-127.89) (  -0.37,-130.18)  259.90                80
 12/20/2019   06:40:04   (   0.10,-127.81) (   0.24,-127.22)   68.28                80
 12/22/2019   06:27:52   (   0.10,-127.74) (   0.85,-124.26)  396.03                80
 12/22/2019   18:51:47   (  -0.09,-127.71) (   0.27,-129.41)  193.14                80
 12/24/2019   18:36:55   (  -0.09,-127.62) (  -0.35,-126.45)  134.05                80
 12/25/2019   07:00:58   (   0.08,-127.61) (  -0.76,-131.64)  457.26                80
 12/26/2019   18:24:43   (  -0.09,-127.54) (  -0.96,-123.49)  460.84                80
 12/27/2019   06:48:46   (   0.07,-127.52) (  -0.15,-128.68)  130.61                80