Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 21.  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)
 06/22/2020   06:33:21   (  -0.07,-127.87) (   0.36,-125.72)  243.93                80
 06/22/2020   18:54:36   (   0.06,-127.88) (   0.72,-130.88)  341.41                80
 06/24/2020   18:42:26   (   0.06,-127.94) (   0.08,-127.92)    2.87                80
 06/26/2020   18:32:57   (   0.06,-127.99) (  -0.56,-124.97)  343.12                80
 06/27/2020   06:54:21   (  -0.05,-128.02) (  -0.51,-130.17)  244.90                80
 06/29/2020   06:39:31   (  -0.05,-128.07) (   0.14,-127.22)   96.74                80
 06/29/2020   19:00:47   (   0.04,-128.07) (   0.95,-132.38)  489.87                80
 07/01/2020   06:27:21   (  -0.05,-128.11) (   0.79,-124.27)  437.92                80
 07/01/2020   18:48:37   (   0.04,-128.11) (   0.30,-129.42)  148.72                80
 07/03/2020   18:39:07   (   0.04,-128.15) (  -0.34,-126.47)  191.83                80
 07/04/2020   07:00:31   (  -0.04,-128.18) (  -0.78,-131.66)  395.63                80