Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2020   22:08:16   (  -0.03,-128.35) (  -0.61,-131.06)  308.10                80
 07/17/2020   21:52:11   (  -0.02,-128.36) (   0.37,-126.52)  208.67                80
 07/19/2020   10:14:00   (   0.01,-128.41) (   0.76,-131.80)  386.31                80
 07/20/2020   09:52:36   (   0.00,-128.41) (  -0.23,-127.27)  129.77                80
 07/21/2020   22:14:33   (   0.01,-128.36) (  -0.96,-132.58)  480.69                80
 07/22/2020   21:58:30   (   0.02,-128.36) (   0.09,-128.05)   35.33                80
 07/25/2020   10:01:34   (   0.02,-128.41) (   0.11,-128.79)   43.33                80
 07/26/2020   09:40:09   (   0.02,-128.40) (  -0.88,-124.25)  472.54                80
 07/27/2020   22:02:06   (  -0.01,-128.35) (  -0.30,-129.56)  138.74                80
 07/28/2020   21:46:03   (   0.02,-128.34) (   0.75,-125.04)  376.10                80
 07/30/2020   10:07:51   (  -0.01,-128.38) (   0.44,-130.31)  220.27                80