Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2018   20:27:28   (  -0.15,-104.05) (  -0.57,-105.78)  198.09                80
 11/01/2018   20:11:24   (  -0.16,-104.06) (   0.44,-101.25)  319.00                80
 11/03/2018   08:33:13   (   0.13,-104.13) (   0.65,-106.54)  274.79                80
 11/04/2018   08:11:47   (   0.15,-104.12) (  -0.31,-102.00)  240.82                80
 11/05/2018   20:33:45   (  -0.12,-104.04) (  -0.84,-107.32)  373.74                80
 11/06/2018   20:17:39   (  -0.14,-104.05) (   0.12,-102.78)  143.78                80
 11/08/2018   08:39:29   (   0.11,-104.15) (   0.97,-108.07)  446.42                80
 11/09/2018   08:18:03   (   0.13,-104.14) (   0.01,-103.53)   69.40                80
 11/11/2018   20:21:15   (  -0.11,-104.04) (  -0.19,-104.31)   30.60                80
 11/12/2018   20:05:10   (  -0.13,-104.05) (   0.83, -99.78)  486.88                80