Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2019   18:32:48   (  -0.00, -75.18) (  -0.48, -77.24)  234.34                80
 05/18/2019   18:16:45   (  -0.00, -75.18) (   0.57, -72.72)  281.49                80
 05/20/2019   06:38:33   (  -0.00, -75.17) (   0.62, -77.98)  319.97                80
 05/21/2019   06:17:09   (  -0.01, -75.17) (  -0.37, -73.45)  195.94                80
 05/22/2019   18:39:06   (   0.01, -75.17) (  -0.80, -78.76)  408.89                80
 05/23/2019   18:23:02   (   0.01, -75.17) (   0.25, -74.24)  107.57                80
 05/25/2019   06:44:51   (  -0.01, -75.18) (   0.95, -79.50)  492.56                80
 05/26/2019   06:23:26   (  -0.02, -75.19) (  -0.05, -74.97)   24.25                80
 05/28/2019   18:26:39   (   0.02, -75.21) (  -0.12, -75.75)   62.16                80
 05/29/2019   18:10:36   (   0.02, -75.22) (   0.93, -71.23)  455.29                80