Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2017   07:29:54   (  -0.00, -89.35) (   0.35, -90.81)  167.67                80
 12/01/2017   07:08:29   (  -0.00, -89.36) (  -0.69, -86.29)  349.58                80
 12/02/2017   19:30:26   (   0.00, -89.37) (  -0.47, -91.60)  253.08                80
 12/03/2017   19:14:20   (   0.00, -89.38) (   0.52, -87.06)  264.39                80
 12/05/2017   07:36:08   (   0.00, -89.39) (   0.65, -92.33)  334.89                80
 12/06/2017   07:14:42   (   0.01, -89.40) (  -0.33, -87.79)  182.53                80
 12/07/2017   19:36:38   (  -0.01, -89.42) (  -0.82, -93.10)  419.99                80
 12/08/2017   19:20:33   (  -0.02, -89.43) (   0.16, -88.57)   97.91                80
 12/11/2017   07:20:56   (   0.02, -89.46) (  -0.04, -89.31)   18.08                80