Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 10 2.  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   22:08:46   (  -0.28,-127.59) (  -1.03,-131.02)  391.30                80
 10/03/2019   21:52:41   (  -0.29,-127.63) (  -0.05,-126.49)  129.77                80
 10/05/2019   10:11:49   (   0.27,-127.75) (   1.19,-131.77)  458.28                80
 10/06/2019   09:55:45   (   0.27,-127.79) (   0.15,-127.24)   62.32                80
 10/08/2019   21:56:16   (  -0.26,-127.83) (  -0.28,-128.03)   22.82                80
 10/09/2019   21:40:11   (  -0.27,-127.86) (   0.70,-123.49)  498.04                80
 10/11/2019   09:59:19   (   0.25,-127.98) (   0.44,-128.77)   90.42                80
 10/12/2019   09:43:15   (   0.26,-128.02) (  -0.60,-124.25)  429.98                80
 10/13/2019   22:02:31   (  -0.24,-128.01) (  -0.55,-129.56)  176.33                80
 10/14/2019   21:46:26   (  -0.25,-128.04) (   0.43,-125.03)  344.00                80
 10/16/2019   10:05:34   (   0.23,-128.16) (   0.71,-130.31)  245.10                80