Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 2 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2019   21:56:02   (   0.02,-128.31) (   0.06,-128.14)   19.23                80
 03/01/2019   10:01:44   (  -0.00,-128.39) (   0.11,-128.87)   55.35                80
 03/02/2019   09:40:18   (   0.00,-128.40) (  -0.89,-124.34)  462.23                80
 03/03/2019   22:04:54   (  -0.00,-128.35) (  -0.31,-129.63)  146.57                80
 03/04/2019   21:43:29   (  -0.00,-128.36) (   0.75,-125.11)  370.74                80
 03/06/2019   10:05:15   (   0.00,-128.42) (   0.46,-130.37)  222.66                80
 03/07/2019   09:49:11   (   0.00,-128.43) (  -0.59,-125.85)  294.53                80
 03/08/2019   22:11:06   (  -0.00,-128.38) (  -0.61,-131.14)  314.86                80
 03/09/2019   21:49:41   (  -0.00,-128.38) (   0.39,-126.61)  201.98                80
 03/11/2019   10:11:28   (   0.00,-128.43) (   0.76,-131.88)  392.36                80