Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2020   18:41:12   (  -0.05, -75.20) (  -0.85, -78.65)  394.00                80
 01/18/2020   18:19:48   (  -0.05, -75.20) (   0.22, -74.13)  123.04                80
 01/20/2020   06:44:14   (   0.06, -75.20) (   0.97, -79.39)  476.83                80
 01/21/2020   06:22:49   (   0.06, -75.21) (  -0.04, -74.86)   40.39                80
 01/23/2020   18:28:37   (  -0.07, -75.23) (  -0.17, -75.61)   44.23                80
 01/24/2020   18:07:12   (  -0.07, -75.24) (   0.84, -71.08)  473.57                80
 01/26/2020   06:31:38   (   0.08, -75.25) (   0.35, -76.34)  124.82                80
 01/27/2020   06:10:14   (   0.07, -75.27) (  -0.72, -71.82)  393.36                80
 01/28/2020   18:34:48   (  -0.08, -75.29) (  -0.49, -77.11)  207.13                80
 01/29/2020   18:13:23   (  -0.08, -75.31) (   0.53, -72.58)  311.56                80