Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2015   10:16:53   (  -0.07,-134.70) (  -0.65,-132.23)  282.64                80
 12/30/2015   22:36:08   (   0.08,-134.60) (  -0.57,-137.52)  332.53                80
 12/31/2015   22:20:02   (   0.08,-134.56) (   0.44,-132.99)  179.33                80
 01/02/2016   10:39:09   (  -0.09,-134.52) (   0.72,-138.26)  426.00                80
 01/03/2016   10:23:03   (  -0.08,-134.47) (  -0.23,-133.72)   85.26                80
 01/05/2016   22:23:32   (   0.08,-134.30) (   0.02,-134.48)   20.38                80
 01/06/2016   22:07:26   (   0.07,-134.25) (   1.03,-129.95)  490.66                80
 01/08/2016   10:26:33   (  -0.08,-134.20) (   0.18,-135.21)  115.84                80
 01/09/2016   10:10:27   (  -0.07,-134.14) (  -0.84,-130.68)  394.36                80
 01/10/2016   22:29:41   (   0.08,-134.01) (  -0.38,-135.97)  224.30                80
 01/11/2016   22:13:36   (   0.07,-133.95) (   0.63,-131.44)  285.72                80