Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/15/2019   21:46:18   (  -0.10,-128.50) (   0.66,-125.08)  388.74                80
 11/17/2019   10:05:25   (   0.08,-128.53) (   0.50,-130.36)  208.90                80
 11/18/2019   09:49:19   (   0.09,-128.52) (  -0.49,-125.82)  307.02                80
 11/19/2019   22:08:36   (  -0.06,-128.47) (  -0.66,-131.13)  304.01                80
 11/20/2019   21:52:30   (  -0.07,-128.46) (   0.33,-126.60)  211.82                80
 11/22/2019   10:11:38   (   0.05,-128.49) (   0.82,-131.87)  386.21                80
 11/23/2019   09:55:32   (   0.06,-128.47) (  -0.17,-127.33)  129.41                80
 11/24/2019   22:14:48   (  -0.04,-128.41) (  -0.98,-132.65)  482.30                80
 11/25/2019   21:58:43   (  -0.05,-128.40) (   0.02,-128.11)   33.11                80
 11/28/2019   09:59:05   (   0.04,-128.40) (   0.14,-128.85)   50.46                80