Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 24.  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)
 04/24/2019   06:39:10   (   0.08,-127.85) (   0.24,-127.23)   71.46                80
 04/26/2019   06:26:59   (   0.08,-127.92) (   0.88,-124.28)  414.35                80
 04/26/2019   18:48:13   (  -0.09,-127.96) (   0.22,-129.44)  167.08                80
 04/28/2019   18:38:41   (  -0.09,-128.03) (  -0.43,-126.48)  175.66                80
 04/29/2019   07:00:05   (   0.09,-128.01) (  -0.68,-131.67)  416.18                80
 05/01/2019   06:47:53   (   0.09,-128.07) (  -0.03,-128.72)   73.79                80
 05/03/2019   06:33:00   (   0.09,-128.12) (   0.57,-125.76)  268.27                80
 05/03/2019   18:54:16   (  -0.10,-128.16) (   0.48,-130.93)  313.79                80
 05/05/2019   18:44:43   (  -0.10,-128.21) (  -0.12,-127.96)   27.63                80
 05/07/2019   18:32:31   (  -0.10,-128.25) (  -0.78,-125.01)  367.79                80