Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2018   20:21:12   (  -0.26,-104.10) (  -0.29,-104.21)   13.13                80
 10/13/2018   08:26:54   (   0.24,-104.11) (   0.43,-104.96)   96.75                80
 10/14/2018   08:05:28   (   0.26,-104.10) (  -0.58,-100.43)  418.98                80
 10/15/2018   20:27:24   (  -0.23,-104.08) (  -0.57,-105.73)  187.43                80
 10/16/2018   20:11:17   (  -0.24,-104.09) (   0.39,-101.19)  330.13                80
 10/18/2018   08:33:04   (   0.21,-104.12) (   0.73,-106.47)  267.71                80
 10/19/2018   08:11:38   (   0.22,-104.11) (  -0.24,-101.93)  248.27                80
 10/20/2018   20:33:33   (  -0.19,-104.07) (  -0.90,-107.24)  360.95                80
 10/21/2018   20:17:27   (  -0.21,-104.08) (   0.08,-102.70)  156.92                80
 10/23/2018   08:39:14   (   0.18,-104.14) (   1.02,-107.98)  437.39                80