Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 26.  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)
 01/27/2021   18:39:26   (  -0.02,-127.72) (  -0.31,-126.44)  146.87                80
 01/28/2021   06:58:10   (   0.06,-127.66) (  -0.80,-131.63)  450.98                80
 01/29/2021   18:27:14   (  -0.01,-127.65) (  -0.91,-123.47)  475.16                80
 01/30/2021   06:45:58   (   0.05,-127.59) (  -0.21,-128.66)  122.73                80
 02/01/2021   06:36:26   (   0.04,-127.51) (   0.40,-125.70)  205.16                80
 02/01/2021   18:55:03   (  -0.08,-127.54) (   0.61,-130.88)  379.63                80
 02/03/2021   18:42:51   (  -0.07,-127.45) (   0.01,-127.92)   52.39                80
 02/05/2021   18:33:19   (  -0.07,-127.36) (  -0.60,-124.96)  274.14                80
 02/06/2021   06:52:03   (   0.11,-127.29) (  -0.50,-130.15)  324.71                80
 02/08/2021   06:41:44   (   0.11,-127.20) (   0.11,-127.19)    1.08                33