Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 2 10.  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)
 02/10/2021   06:30:20   (   0.10,-127.55) (   0.78,-124.24)  376.05                80
 02/10/2021   18:48:57   (  -0.14,-127.60) (   0.22,-129.42)  205.93                80
 02/12/2021   18:39:25   (  -0.13,-127.69) (  -0.40,-126.46)  139.33                80
 02/13/2021   06:58:10   (   0.18,-127.68) (  -0.65,-131.66)  452.90                80
 02/14/2021   18:27:13   (  -0.12,-127.77) (  -1.02,-123.50)  484.61                80
 02/15/2021   06:45:58   (   0.16,-127.76) (  -0.03,-128.71)  107.62                80
 02/17/2021   06:36:26   (   0.16,-127.84) (   0.59,-125.75)  237.16                80
 02/17/2021   18:55:02   (  -0.20,-127.89) (   0.47,-130.91)  344.70                80
 02/19/2021   18:45:31   (  -0.20,-127.96) (  -0.22,-127.97)    2.28                80
 02/21/2021   18:33:19   (  -0.20,-128.02) (  -0.85,-125.01)  342.69                80
 02/22/2021   06:52:02   (   0.24,-128.01) (  -0.26,-130.20)  250.35                80