Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/26/2018   20:21:13   (  -0.19,-104.07) (  -0.24,-104.26)   22.16                80
 10/27/2018   20:05:09   (  -0.20,-104.07) (   0.80, -99.73)  495.07                80
 10/29/2018   08:26:56   (   0.17,-104.12) (   0.38,-105.00)  101.19                80
 10/30/2018   08:05:31   (   0.18,-104.11) (  -0.65,-100.48)  414.02                80
 10/31/2018   20:27:28   (  -0.15,-104.04) (  -0.52,-105.79)  199.08                80
 11/01/2018   20:11:22   (  -0.16,-104.04) (   0.46,-101.25)  317.96                80
 11/03/2018   08:33:10   (   0.13,-104.12) (   0.65,-106.54)  274.90                80
 11/04/2018   08:11:45   (   0.15,-104.11) (  -0.33,-102.00)  240.67                80
 11/05/2018   20:33:41   (  -0.12,-104.01) (  -0.84,-107.31)  374.97                80
 11/06/2018   20:17:36   (  -0.14,-104.02) (   0.14,-102.77)  142.47                80
 11/08/2018   08:39:24   (   0.11,-104.13) (   0.97,-108.05)  446.81                80