Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 17.  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) (  -0.47, -77.24)  234.37                80
 05/18/2019   18:16:44   (  -0.00, -75.18) (   0.53, -72.70)  281.41                80
 05/20/2019   06:38:33   (  -0.00, -75.17) (   0.61, -77.99)  320.19                80
 05/21/2019   06:17:09   (  -0.00, -75.17) (  -0.38, -73.45)  195.65                80
 05/22/2019   18:39:06   (   0.01, -75.17) (  -0.79, -78.76)  409.23                80
 05/23/2019   18:23:02   (   0.01, -75.17) (   0.21, -74.23)  107.15                80
 05/25/2019   06:44:51   (  -0.02, -75.18) (   0.93, -79.51)  493.10                80
 05/26/2019   06:23:26   (  -0.02, -75.18) (  -0.06, -74.97)   23.59                80
 05/28/2019   18:26:39   (   0.02, -75.20) (  -0.11, -75.75)   62.85                80
 05/29/2019   18:10:35   (   0.02, -75.21) (   0.89, -71.22)  454.53                80
 05/31/2019   06:32:24   (  -0.02, -75.23) (   0.26, -76.50)  144.30                80