Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 3 19.  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)
 03/20/2020   18:42:29   (   0.27,-128.23) (   0.18,-127.89)   39.04                80
 03/22/2020   18:30:17   (   0.27,-128.18) (  -0.41,-124.93)  370.09                80
 03/23/2020   06:54:20   (  -0.29,-128.12) (  -0.70,-130.12)  227.42                80
 03/25/2020   06:39:27   (  -0.28,-128.07) (  -0.11,-127.15)  103.37                80
 03/25/2020   19:03:22   (   0.30,-128.11) (   1.22,-132.31)  478.04                80
 03/27/2020   06:27:15   (  -0.28,-128.01) (   0.54,-124.20)  433.65                80
 03/27/2020   18:51:10   (   0.29,-128.06) (   0.57,-129.36)  147.90                80
 03/29/2020   18:36:18   (   0.28,-127.99) (  -0.08,-126.41)  181.49                80
 03/30/2020   07:00:21   (  -0.30,-127.92) (  -1.08,-131.58)  416.53                80
 04/01/2020   06:48:09   (  -0.29,-127.85) (  -0.43,-128.63)   88.28                80