Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 3 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)
 03/03/2020   10:01:27   (  -0.35,-128.43) (  -0.24,-128.90)   53.22                80
 03/04/2020   09:40:03   (  -0.35,-128.43) (  -1.24,-124.37)  462.31                80
 03/05/2020   22:02:00   (   0.35,-128.43) (   0.09,-129.68)  141.67                80
 03/06/2020   21:45:55   (   0.34,-128.42) (   1.10,-125.15)  373.67                80
 03/08/2020   10:07:43   (  -0.34,-128.39) (   0.13,-130.41)  230.65                80
 03/09/2020   09:46:18   (  -0.34,-128.37) (  -0.88,-125.88)  284.17                80
 03/10/2020   22:08:16   (   0.33,-128.37) (  -0.27,-131.19)  320.85                80
 03/11/2020   21:52:11   (   0.34,-128.36) (   0.74,-126.66)  194.01                80
 03/13/2020   10:13:58   (  -0.33,-128.32) (   0.48,-131.92)  410.50                80
 03/14/2020   09:52:34   (  -0.33,-128.30) (  -0.53,-127.39)  103.75                80