Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2019   18:20:41   (  -0.02, -75.20) (   0.19, -74.30)  102.78                80
 01/17/2019   06:45:09   (   0.02, -75.21) (   0.99, -79.57)  496.64                80
 01/18/2019   06:23:43   (   0.02, -75.21) (   0.01, -75.03)   20.40                80
 01/20/2019   18:29:34   (  -0.03, -75.22) (  -0.18, -75.80)   66.95                80
 01/21/2019   18:08:09   (  -0.02, -75.23) (   0.87, -71.28)  450.17                80
 01/23/2019   06:32:37   (   0.03, -75.24) (   0.32, -76.54)  148.46                80
 01/24/2019   06:11:12   (   0.02, -75.25) (  -0.72, -72.02)  368.98                80
 01/25/2019   18:35:48   (  -0.03, -75.27) (  -0.48, -77.32)  233.60                80
 01/26/2019   18:14:23   (  -0.02, -75.28) (   0.56, -72.79)  284.43                80
 01/28/2019   06:38:50   (   0.03, -75.31) (   0.63, -78.06)  312.64                80