Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2019   22:08:45   (  -0.28,-127.48) (  -1.07,-131.01)  402.94                80
 10/03/2019   21:52:40   (  -0.29,-127.44) (  -0.10,-126.48)  109.05                80
 10/05/2019   10:11:48   (   0.27,-127.41) (   1.24,-131.76)  495.63                80
 10/06/2019   09:53:03   (   0.28,-127.36) (   0.26,-127.22)   15.83                80
 10/08/2019   21:56:14   (  -0.26,-127.21) (  -0.44,-127.99)   89.86                80
 10/09/2019   21:40:08   (  -0.27,-127.16) (   0.54,-123.46)  421.73                80
 10/11/2019   09:59:16   (   0.24,-127.13) (   0.60,-128.74)  183.16                80
 10/12/2019   09:43:11   (   0.25,-127.08) (  -0.38,-124.20)  328.00                80
 10/13/2019   22:02:27   (  -0.23,-126.96) (  -0.78,-129.51)  290.05                80
 10/14/2019   21:46:22   (  -0.24,-126.91) (   0.21,-124.98)  221.21                80