Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 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)
 01/14/2021   06:46:01   (  -0.06,-128.06) (  -0.19,-128.66)   69.02                80
 01/16/2021   06:36:28   (  -0.07,-128.02) (   0.40,-125.70)  263.29                80
 01/16/2021   18:55:04   (   0.03,-128.03) (   0.65,-130.86)  322.36                80
 01/18/2021   18:45:32   (   0.04,-127.99) (  -0.00,-127.91)   10.10                80
 01/20/2021   18:33:19   (   0.05,-127.94) (  -0.60,-124.94)  341.63                80
 01/21/2021   06:52:03   (  -0.01,-127.90) (  -0.50,-130.13)  253.72                80
 01/23/2021   06:42:31   (  -0.01,-127.85) (   0.16,-127.18)   77.42                80
 01/25/2021   06:30:18   (  -0.02,-127.80) (   0.77,-124.21)  407.91                80
 01/25/2021   18:48:54   (  -0.02,-127.81) (   0.29,-129.38)  177.79                80
 01/27/2021   18:39:21   (  -0.02,-127.75) (  -0.32,-126.41)  151.84                80