Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 7 30.  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)
 07/31/2021   18:30:37   (  -0.06,-127.84) (  -0.69,-124.99)  325.03                80
 08/01/2021   06:54:41   (   0.03,-127.93) (  -0.45,-130.17)  255.24                80
 08/03/2021   06:39:51   (   0.04,-127.98) (   0.21,-127.22)   86.39                80
 08/05/2021   06:27:41   (   0.05,-128.03) (   0.86,-124.27)  427.44                80
 08/05/2021   18:51:35   (  -0.02,-127.96) (   0.27,-129.42)  165.36                80
 08/07/2021   18:36:46   (  -0.03,-128.00) (  -0.39,-126.47)  175.13                80
 08/08/2021   07:00:49   (   0.00,-128.09) (  -0.75,-131.65)  404.49                80
 08/10/2021   06:48:39   (   0.01,-128.13) (  -0.08,-128.71)   64.71                80
 08/12/2021   06:33:48   (   0.02,-128.16) (   0.53,-125.74)  274.81                80
 08/12/2021   18:57:43   (   0.01,-128.08) (   0.62,-130.89)  319.37                80