Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2019   08:13:37   (   0.12,-104.40) (  -0.41,-101.92)  281.58                80
 04/14/2019   20:35:35   (  -0.12,-104.35) (  -0.74,-107.24)  328.44                80
 04/15/2019   20:14:11   (  -0.13,-104.35) (   0.24,-102.71)  187.18                80
 04/17/2019   08:35:59   (   0.12,-104.39) (   0.96,-107.97)  409.62                80
 04/18/2019   08:19:56   (   0.13,-104.39) (  -0.08,-103.45)  107.25                80
 04/20/2019   20:20:29   (  -0.12,-104.36) (  -0.07,-104.23)   15.52                80
 04/23/2019   08:23:34   (   0.12,-104.39) (   0.23,-104.98)   66.28                80
 04/24/2019   08:07:30   (   0.12,-104.40) (  -0.75,-100.44)  450.72                80
 04/25/2019   20:29:27   (  -0.12,-104.39) (  -0.44,-105.75)  156.02                80