Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2019   18:26:21   (  -0.00, -75.20) (  -0.13, -75.69)   56.13                80
 04/27/2019   18:10:18   (  -0.00, -75.20) (   0.91, -71.17)  460.47                80
 04/29/2019   06:32:06   (   0.00, -75.20) (   0.29, -76.43)  140.80                80
 04/30/2019   06:10:43   (   0.00, -75.21) (  -0.76, -71.91)  376.01                80
 05/01/2019   18:32:40   (  -0.00, -75.23) (  -0.43, -77.22)  226.34                80
 05/02/2019   18:16:35   (  -0.00, -75.24) (   0.56, -72.68)  291.00                80
 05/04/2019   06:38:25   (  -0.00, -75.25) (   0.58, -77.96)  308.99                80
 05/05/2019   06:17:00   (  -0.00, -75.26) (  -0.40, -73.43)  208.31                80
 05/06/2019   18:38:57   (   0.01, -75.28) (  -0.78, -78.74)  393.79                80
 05/07/2019   18:22:54   (   0.01, -75.30) (   0.27, -74.22)  123.67                80