Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2019   08:20:06   (   0.11,-104.38) (  -0.10,-103.49)  102.09                80
 05/05/2019   20:42:04   (  -0.10,-104.43) (  -1.08,-108.80)  498.45                80
 05/06/2019   20:20:39   (  -0.11,-104.42) (  -0.09,-104.26)   17.54                80
 05/09/2019   08:23:44   (   0.10,-104.38) (   0.25,-105.01)   72.35                80
 05/10/2019   08:07:39   (   0.11,-104.38) (  -0.74,-100.47)  444.31                80
 05/11/2019   20:29:38   (  -0.09,-104.42) (  -0.38,-105.80)  155.99                80
 05/12/2019   20:08:13   (  -0.11,-104.42) (   0.61,-101.26)  359.80                80
 05/14/2019   08:30:02   (   0.09,-104.36) (   0.60,-106.53)  247.48                80
 05/15/2019   08:13:58   (   0.10,-104.37) (  -0.45,-102.01)  269.41                80
 05/16/2019   20:35:55   (  -0.08,-104.43) (  -0.72,-107.32)  328.74                80
 05/17/2019   20:14:31   (  -0.09,-104.43) (   0.27,-102.78)  187.24                80