Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2019   09:59:05   (   0.04,-128.43) (   0.11,-128.85)   47.85                80
 11/29/2019   09:43:00   (   0.05,-128.41) (  -0.88,-124.31)  467.20                80
 11/30/2019   22:02:15   (  -0.03,-128.35) (  -0.33,-129.61)  144.50                80
 12/01/2019   21:46:09   (  -0.04,-128.33) (   0.67,-125.08)  370.37                80
 12/03/2019   10:05:17   (   0.01,-128.34) (   0.48,-130.35)  229.66                80
 12/04/2019   09:49:11   (   0.02,-128.32) (  -0.52,-125.81)  285.08                80
 12/05/2019   22:08:28   (  -0.00,-128.25) (  -0.62,-131.13)  327.02                80
 12/06/2019   21:52:22   (  -0.01,-128.23) (   0.37,-126.59)  187.57                80
 12/08/2019   10:11:28   (  -0.01,-128.23) (   0.83,-131.85)  412.99                80
 12/09/2019   09:55:23   (   0.01,-128.21) (  -0.17,-127.32)  101.30                80