Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 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)
 12/11/2019   18:32:45   (  -0.02, -75.19) (  -0.50, -77.22)  232.03                80
 12/12/2019   18:16:41   (  -0.02, -75.19) (   0.56, -72.70)  284.55                80
 12/14/2019   06:38:27   (   0.02, -75.19) (   0.64, -77.96)  315.94                80
 12/15/2019   06:17:01   (   0.01, -75.19) (  -0.36, -73.43)  200.42                80
 12/16/2019   18:38:58   (  -0.01, -75.19) (  -0.78, -78.74)  403.86                80
 12/17/2019   18:20:12   (   0.00, -75.20) (   0.23, -74.21)  112.94                80
 12/19/2019   06:44:39   (  -0.00, -75.20) (   0.97, -79.47)  486.40                80
 12/20/2019   06:23:14   (  -0.01, -75.21) (  -0.09, -74.95)   30.85                80
 12/22/2019   18:29:04   (   0.00, -75.23) (  -0.10, -75.71)   54.35                80
 12/23/2019   18:07:38   (   0.00, -75.24) (   0.90, -71.18)  463.49                80