Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2019   06:38:33   (   0.00, -75.17) (   0.61, -77.99)  319.91                80
 05/21/2019   06:17:09   (   0.00, -75.17) (  -0.38, -73.45)  196.03                80
 05/22/2019   18:39:06   (   0.00, -75.17) (  -0.79, -78.76)  408.37                80
 05/23/2019   18:23:02   (   0.01, -75.18) (   0.21, -74.23)  108.09                80
 05/25/2019   06:44:51   (  -0.01, -75.18) (   0.93, -79.51)  492.35                80
 05/26/2019   06:23:26   (  -0.01, -75.19) (  -0.06, -74.97)   24.38                80
 05/28/2019   18:26:39   (   0.01, -75.21) (  -0.11, -75.75)   61.57                80
 05/29/2019   18:10:35   (   0.01, -75.22) (   0.88, -71.22)  455.89                80
 05/31/2019   06:32:24   (  -0.02, -75.24) (   0.26, -76.50)  143.12                80
 06/01/2019   06:11:00   (  -0.02, -75.25) (  -0.74, -71.96)  374.33                80