Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 7 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)
 07/04/2019   21:56:15   (   0.12,-127.74) (   0.01,-128.14)   45.85                80
 07/05/2019   21:40:11   (   0.11,-127.70) (   1.02,-123.60)  466.80                80
 07/07/2019   09:59:19   (  -0.13,-127.64) (   0.15,-128.88)  140.71                80
 07/08/2019   09:43:15   (  -0.12,-127.60) (  -0.86,-124.34)  371.49                80
 07/09/2019   22:02:32   (   0.15,-127.54) (  -0.30,-129.65)  240.82                80
 07/10/2019   21:46:27   (   0.14,-127.50) (   0.65,-125.11)  271.49                80
 07/12/2019   10:05:35   (  -0.17,-127.44) (   0.52,-130.38)  336.05                80
 07/13/2019   09:49:31   (  -0.16,-127.39) (  -0.49,-125.85)  175.63                80
 07/14/2019   22:08:48   (   0.18,-127.31) (  -0.67,-131.16)  438.22                80
 07/15/2019   21:52:43   (   0.18,-127.27) (   0.34,-126.63)   73.53                80