Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2019   20:33:39   (  -0.38,-104.56) (  -0.98,-107.29)  310.68                80
 08/21/2019   20:17:35   (  -0.37,-104.55) (   0.04,-102.76)  204.82                80
 08/23/2019   08:39:21   (   0.38,-104.36) (   1.22,-108.00)  415.58                80
 08/24/2019   08:17:57   (   0.37,-104.34) (   0.20,-103.47)   98.24                80
 08/25/2019   20:39:54   (  -0.38,-104.47) (  -1.35,-108.79)  491.68                80
 08/26/2019   20:23:50   (  -0.37,-104.46) (  -0.33,-104.26)   23.39                80
 08/29/2019   08:26:52   (   0.37,-104.27) (   0.51,-104.99)   81.48                80
 08/30/2019   08:05:28   (   0.36,-104.24) (  -0.51,-100.46)  432.24                80
 08/31/2019   20:27:24   (  -0.37,-104.37) (  -0.68,-105.76)  158.74                80
 09/01/2019   20:11:20   (  -0.36,-104.36) (   0.34,-101.23)  356.75                80