Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2020   10:07:43   (  -0.22,-127.70) (   0.37,-130.37)  304.61                80
 04/10/2020   09:46:19   (  -0.24,-127.73) (  -0.64,-125.84)  215.12                80
 04/11/2020   22:10:55   (   0.21,-127.78) (  -0.56,-131.14)  383.75                80
 04/12/2020   21:49:32   (   0.23,-127.81) (   0.52,-126.62)  136.13                80
 04/14/2020   10:13:59   (  -0.20,-127.87) (   0.68,-131.89)  457.48                80
 04/15/2020   09:52:34   (  -0.21,-127.90) (  -0.34,-127.36)   61.77                80
 04/17/2020   21:58:26   (   0.19,-127.97) (   0.15,-128.13)   18.54                80
 04/20/2020   10:01:29   (  -0.18,-128.05) (   0.03,-128.86)   92.80                80
 04/21/2020   09:40:06   (  -0.19,-128.08) (  -1.05,-124.35)  426.13                80