Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 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)
 06/15/2019   18:36:31   (  -0.13,-128.30) (  -0.50,-126.51)  203.43                80
 06/16/2019   07:00:35   (   0.11,-128.25) (  -0.63,-131.70)  391.88                80
 06/18/2019   06:48:24   (   0.12,-128.21) (  -0.02,-128.74)   60.28                80
 06/20/2019   06:33:34   (   0.13,-128.17) (   0.64,-125.79)  271.00                80
 06/20/2019   18:57:29   (  -0.11,-128.19) (   0.50,-130.93)  312.06                80
 06/22/2019   18:42:39   (  -0.12,-128.15) (  -0.17,-127.98)   19.04                80
 06/24/2019   18:30:28   (  -0.13,-128.10) (  -0.77,-125.02)  349.85                80
 06/25/2019   06:54:32   (   0.11,-128.05) (  -0.34,-130.21)  245.09                80
 06/27/2019   06:39:41   (   0.11,-128.00) (   0.27,-127.25)   85.19                80
 06/27/2019   19:03:36   (  -0.09,-128.02) (   0.82,-132.41)  498.82                80