Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2015   10:18:43   (  -0.09,-134.83) (  -0.69,-132.16)  304.01                80
 01/28/2015   22:40:36   (   0.09,-134.89) (  -0.49,-137.46)  293.26                80
 01/29/2015   22:24:30   (   0.09,-134.93) (   0.55,-132.93)  228.36                80
 01/31/2015   10:46:14   (  -0.08,-135.00) (   0.62,-138.19)  364.13                80
 02/01/2015   10:24:48   (  -0.08,-135.03) (  -0.42,-133.66)  156.95                80
 02/02/2015   22:46:41   (   0.08,-135.08) (  -0.76,-138.96)  441.56                80
 02/03/2015   22:30:34   (   0.08,-135.12) (   0.22,-134.42)   79.59                80
 02/06/2015   10:30:51   (  -0.07,-135.22) (  -0.09,-135.15)    7.50                80
 02/08/2015   22:33:57   (   0.07,-135.29) (  -0.10,-135.91)   71.73                80