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   08:23:51   (  -0.25,-104.40) (  -0.11,-104.99)   68.25                80
 07/26/2018   08:07:47   (  -0.24,-104.40) (  -1.09,-100.46)  448.63                80
 07/27/2018   20:27:06   (   0.27,-104.56) (  -0.00,-105.79)  139.19                80
 07/28/2018   20:11:02   (   0.26,-104.57) (   0.98,-101.25)  378.04                80
 07/30/2018   08:30:11   (  -0.28,-104.43) (   0.16,-106.53)  238.95                80
 07/31/2018   08:14:06   (  -0.27,-104.43) (  -0.82,-101.99)  278.08                80
 08/01/2018   20:33:25   (   0.30,-104.59) (  -0.33,-107.31)  310.09                80
 08/02/2018   20:17:21   (   0.29,-104.60) (   0.71,-102.79)  207.29                80
 08/04/2018   08:36:30   (  -0.31,-104.46) (   0.49,-108.05)  409.03                80
 08/05/2018   08:20:26   (  -0.30,-104.47) (  -0.54,-103.53)  107.75                80
 08/06/2018   20:39:44   (   0.33,-104.61) (  -0.60,-108.84)  481.75                80