Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/05/2020   10:04:47   (  -0.03,-128.10) (   0.46,-130.28)  247.96                80
 02/06/2020   09:48:42   (  -0.03,-128.07) (  -0.54,-125.75)  264.92                80
 02/07/2020   22:10:38   (  -0.00,-128.03) (  -0.68,-131.05)  343.76                80
 02/08/2020   21:49:14   (  -0.01,-128.00) (   0.32,-126.51)  168.74                80
 02/10/2020   10:11:02   (   0.01,-127.93) (   0.87,-131.79)  439.26                80
 02/11/2020   09:54:58   (   0.00,-127.90) (  -0.13,-127.25)   72.91                80
 02/13/2020   21:58:11   (   0.00,-127.81) (  -0.03,-128.03)   25.11                80
 02/14/2020   21:36:46   (   0.00,-127.77) (   0.98,-123.50)  486.84                80
 02/16/2020   09:58:35   (   0.00,-127.70) (   0.22,-128.77)  121.97                80
 02/17/2020   09:42:30   (   0.00,-127.65) (  -0.79,-124.24)  389.76                80