Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/25/2017   07:23:41   (   0.00, -89.29) (  -0.02, -89.31)    3.48                80
 11/27/2017   19:24:12   (  -0.01, -89.30) (  -0.17, -90.08)   88.68                80
 11/28/2017   19:08:07   (  -0.01, -89.30) (   0.82, -85.54)  427.96                80
 11/30/2017   07:29:54   (   0.01, -89.30) (   0.35, -90.81)  172.90                80
 12/01/2017   07:08:29   (   0.01, -89.30) (  -0.69, -86.29)  343.67                80
 12/02/2017   19:30:25   (  -0.02, -89.30) (  -0.53, -91.58)  260.05                80
 12/03/2017   19:14:20   (  -0.02, -89.31) (   0.51, -87.06)  256.69                80
 12/05/2017   07:36:07   (   0.03, -89.30) (   0.72, -92.32)  343.89                80
 12/06/2017   07:14:42   (   0.03, -89.31) (  -0.33, -87.79)  172.71                80
 12/07/2017   19:36:37   (  -0.03, -89.31) (  -0.89, -93.09)  430.92                80
 12/08/2017   19:20:33   (  -0.03, -89.32) (   0.16, -88.57)   86.19                80