Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 2 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2019   22:08:40   (   0.05,-127.80) (  -0.73,-131.17)  384.71                80
 02/05/2019   21:52:36   (   0.05,-127.83) (   0.32,-126.65)  135.48                80
 02/07/2019   10:14:23   (  -0.05,-127.95) (   0.86,-131.91)  451.72                80
 02/08/2019   09:52:59   (  -0.05,-127.99) (  -0.19,-127.39)   68.19                80
 02/10/2019   21:56:09   (   0.05,-127.99) (  -0.02,-128.15)   19.59                80
 02/13/2019   10:01:51   (  -0.04,-128.12) (   0.15,-128.89)   88.15                80
 02/14/2019   09:40:27   (  -0.04,-128.15) (  -0.90,-124.37)  430.85                80
 02/15/2019   22:05:02   (   0.03,-128.10) (  -0.29,-129.67)  177.96                80
 02/16/2019   21:43:37   (   0.03,-128.12) (   0.70,-125.13)  340.64                80