Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2020   09:48:43   (  -0.03,-128.07) (  -0.56,-125.75)  264.85                80
 02/07/2020   22:10:39   (   0.02,-128.03) (  -0.65,-131.05)  343.99                80
 02/08/2020   21:49:14   (  -0.00,-128.00) (   0.34,-126.52)  168.95                80
 02/10/2020   10:11:03   (   0.00,-127.93) (   0.84,-131.79)  439.05                80
 02/11/2020   09:54:58   (   0.00,-127.90) (  -0.15,-127.26)   73.19                80
 02/13/2020   21:58:10   (   0.01,-127.82) (  -0.06,-128.03)   24.47                80
 02/14/2020   21:36:46   (   0.01,-127.78) (   0.94,-123.49)  487.54                80
 02/16/2020   09:58:34   (   0.00,-127.70) (   0.25,-128.76)  121.27                80
 02/17/2020   09:42:29   (   0.00,-127.66) (  -0.75,-124.23)  390.53                80
 02/18/2020   22:01:46   (  -0.01,-127.61) (  -0.46,-129.53)  219.94                80