Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2019   20:11:20   (  -0.34,-104.30) (   0.37,-101.21)  352.33                80
 09/19/2019   08:33:07   (   0.33,-104.21) (   0.84,-106.47)  257.30                80
 09/20/2019   08:11:43   (   0.33,-104.20) (  -0.19,-101.94)  257.83                80
 09/21/2019   20:33:39   (  -0.32,-104.26) (  -0.99,-107.24)  340.27                80
 09/22/2019   20:17:35   (  -0.32,-104.26) (   0.04,-102.72)  176.49                80
 09/24/2019   08:39:22   (   0.30,-104.20) (   1.17,-107.98)  430.60                80
 09/25/2019   08:17:58   (   0.31,-104.18) (   0.14,-103.45)   84.21                80
 09/27/2019   20:23:49   (  -0.30,-104.21) (  -0.28,-104.22)    1.99                80
 09/30/2019   08:26:52   (   0.29,-104.18) (   0.46,-104.95)   88.57                80