Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2019   21:56:02   (   0.02,-128.31) (   0.03,-128.13)   19.54                80
 03/01/2019   10:01:43   (  -0.00,-128.38) (   0.13,-128.87)   55.70                80
 03/02/2019   09:40:19   (   0.00,-128.39) (  -0.93,-124.34)  461.91                80
 03/03/2019   22:04:54   (  -0.00,-128.35) (  -0.27,-129.64)  146.76                80
 03/04/2019   21:43:29   (  -0.00,-128.36) (   0.73,-125.11)  370.50                80
 03/06/2019   10:05:16   (   0.00,-128.42) (   0.43,-130.38)  223.14                80
 03/07/2019   09:49:11   (   0.00,-128.42) (  -0.57,-125.84)  293.98                80
 03/08/2019   22:11:06   (  -0.00,-128.37) (  -0.62,-131.14)  315.28                80
 03/09/2019   21:49:40   (  -0.00,-128.37) (   0.38,-126.60)  201.51                80
 03/11/2019   10:11:28   (   0.00,-128.43) (   0.77,-131.87)  393.10                80
 03/12/2019   09:55:22   (   0.00,-128.42) (  -0.23,-127.34)  123.31                80