Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 3 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)
 03/05/2020   22:01:59   (   0.35,-128.43) (   0.06,-129.67)  141.36                80
 03/06/2020   21:45:55   (   0.34,-128.42) (   1.07,-125.14)  374.06                80
 03/08/2020   10:07:43   (  -0.34,-128.39) (   0.10,-130.41)  230.23                80
 03/09/2020   09:46:19   (  -0.34,-128.38) (  -0.91,-125.88)  284.68                80
 03/10/2020   22:08:15   (   0.33,-128.38) (  -0.30,-131.18)  320.07                80
 03/11/2020   21:52:11   (   0.34,-128.36) (   0.71,-126.65)  194.88                80
 03/13/2020   10:13:59   (  -0.33,-128.33) (   0.46,-131.93)  409.57                80
 03/14/2020   09:52:34   (  -0.33,-128.31) (  -0.55,-127.39)  104.77                80
 03/16/2020   21:58:26   (   0.32,-128.28) (   0.35,-128.16)   13.15                80