Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2018   08:23:52   (  -0.25,-104.40) (  -0.14,-105.00)   68.32                80
 07/26/2018   08:07:47   (  -0.24,-104.40) (  -1.12,-100.46)  448.62                80
 07/27/2018   20:27:06   (   0.27,-104.56) (  -0.03,-105.78)  139.27                80
 07/28/2018   20:11:02   (   0.26,-104.57) (   1.00,-101.26)  378.00                80
 07/30/2018   08:30:10   (  -0.28,-104.43) (   0.19,-106.52)  238.93                80
 07/31/2018   08:14:07   (  -0.27,-104.43) (  -0.84,-102.00)  278.11                80
 08/01/2018   20:33:25   (   0.30,-104.59) (  -0.30,-107.31)  310.10                80
 08/02/2018   20:17:21   (   0.29,-104.60) (   0.68,-102.78)  207.28                80
 08/04/2018   08:36:30   (  -0.31,-104.46) (   0.47,-108.06)  409.01                80
 08/05/2018   08:20:26   (  -0.30,-104.47) (  -0.51,-103.52)  107.73                80
 08/06/2018   20:39:44   (   0.33,-104.61) (  -0.63,-108.84)  481.74                80