Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 4 28.  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)
 04/29/2021   06:39:17   (  -0.04,-127.47) (   0.03,-127.20)   30.97                80
 05/01/2021   06:27:04   (  -0.04,-127.38) (   0.63,-124.24)  357.17                80
 05/01/2021   18:48:19   (   0.03,-127.43) (   0.48,-129.39)  223.83                80
 05/03/2021   18:38:46   (   0.03,-127.33) (  -0.13,-126.43)  102.22                80
 05/04/2021   07:00:10   (  -0.02,-127.24) (  -0.97,-131.62)  498.34                80
 05/05/2021   18:26:33   (   0.03,-127.24) (  -0.74,-123.47)  428.34                80
 05/06/2021   06:47:57   (  -0.03,-127.15) (  -0.35,-128.66)  172.33                80
 05/08/2021   06:33:04   (  -0.03,-127.05) (   0.27,-125.70)  153.67                80
 05/08/2021   18:54:19   (   0.02,-127.09) (   0.84,-130.86)  428.83                80
 05/10/2021   06:20:51   (  -0.03,-126.95) (   0.89,-122.74)  479.38                80
 05/10/2021   18:42:06   (   0.03,-126.99) (   0.22,-127.90)  103.04                80