Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 2 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/25/2019   22:17:27   (   0.02,-128.30) (  -0.98,-132.67)  498.67                80
 02/26/2019   21:56:02   (   0.02,-128.31) (   0.07,-128.14)   19.35                80
 03/01/2019   10:01:44   (   0.00,-128.39) (   0.09,-128.88)   54.87                80
 03/02/2019   09:40:19   (   0.00,-128.40) (  -0.90,-124.34)  462.80                80
 03/03/2019   22:04:54   (  -0.00,-128.36) (  -0.29,-129.64)  146.10                80
 03/04/2019   21:43:28   (  -0.00,-128.36) (   0.70,-125.10)  371.29                80
 03/06/2019   10:05:16   (   0.00,-128.43) (   0.45,-130.37)  221.74                80
 03/07/2019   09:46:30   (   0.00,-128.43) (  -0.55,-125.84)  295.53                80
 03/08/2019   22:11:05   (  -0.00,-128.39) (  -0.65,-131.13)  313.99                80
 03/09/2019   21:49:41   (  -0.00,-128.39) (   0.41,-126.61)  202.96                80