Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/12/2019   06:32:15   (  -0.02, -75.20) (   0.24, -76.48)  146.15                80
 03/13/2019   06:10:49   (  -0.02, -75.19) (  -0.76, -71.95)  370.30                80
 03/14/2019   18:32:44   (   0.02, -75.19) (  -0.44, -77.24)  233.83                80
 03/15/2019   18:16:39   (   0.02, -75.19) (   0.56, -72.71)  282.89                80
 03/17/2019   06:38:25   (   0.00, -75.19) (   0.64, -77.97)  316.81                80
 03/18/2019   06:17:01   (   0.00, -75.19) (  -0.42, -73.44)  200.05                80
 03/19/2019   18:38:56   (  -0.00, -75.20) (  -0.78, -78.74)  403.35                80
 03/20/2019   18:22:51   (  -0.00, -75.21) (   0.22, -74.21)  114.01                80
 03/22/2019   06:44:37   (   0.00, -75.22) (   0.98, -79.47)  484.69                80
 03/23/2019   06:23:13   (  -0.00, -75.23) (  -0.08, -74.94)   33.08                80