Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/28/2021   06:39:32   (  -0.14,-128.32) (   0.11,-127.19)  128.41                80
 03/28/2021   19:00:47   (   0.13,-128.40) (   1.00,-132.35)  449.47                80
 03/30/2021   06:27:20   (  -0.14,-128.30) (   0.73,-124.24)  462.28                80
 03/30/2021   18:48:36   (   0.14,-128.38) (   0.33,-129.40)  115.68                80
 04/01/2021   18:39:04   (   0.13,-128.35) (  -0.30,-126.45)  217.33                80
 04/02/2021   07:00:28   (  -0.13,-128.27) (  -0.82,-131.64)  382.83                80
 04/04/2021   06:48:16   (  -0.12,-128.23) (  -0.19,-128.68)   50.89                80
 04/06/2021   06:33:23   (  -0.12,-128.19) (   0.38,-125.72)  281.00                80
 04/06/2021   18:54:39   (   0.11,-128.26) (   0.68,-130.88)  298.33                80
 04/08/2021   18:45:07   (   0.11,-128.22) (   0.04,-127.93)   33.68                80
 04/10/2021   18:32:55   (   0.11,-128.18) (  -0.59,-124.97)  365.74                80