Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2019   19:09:45   (   0.00,-137.22) (  -0.60,-134.24)  338.05                80
 04/16/2019   07:31:09   (   0.00,-137.18) (  -0.45,-139.45)  256.83                80
 04/18/2019   07:16:16   (   0.00,-137.18) (   0.12,-136.48)   78.77                80
 04/20/2019   07:04:04   (  -0.00,-137.17) (   0.76,-133.53)  413.89                80
 04/20/2019   19:25:20   (   0.00,-137.20) (   0.29,-138.69)  168.82                80
 04/22/2019   19:15:47   (   0.00,-137.19) (  -0.28,-135.72)  165.71                80
 04/23/2019   07:37:11   (  -0.00,-137.15) (  -0.83,-140.92)  428.66                80
 04/24/2019   19:03:35   (  -0.00,-137.17) (  -0.92,-132.77)  499.55                80
 04/25/2019   07:24:59   (   0.00,-137.13) (  -0.19,-137.96)   95.05                80
 04/27/2019   07:10:07   (   0.00,-137.10) (   0.46,-135.01)  238.11                80
 04/27/2019   19:31:22   (  -0.00,-137.12) (   0.66,-140.16)  346.08                80