Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2020   06:38:04   (   0.05, -75.19) (   0.62, -77.90)  307.18                80
 01/16/2020   06:16:38   (   0.04, -75.19) (  -0.39, -73.36)  209.37                80
 01/17/2020   18:41:12   (  -0.05, -75.20) (  -0.84, -78.65)  394.04                80
 01/18/2020   18:19:47   (  -0.05, -75.20) (   0.17, -74.12)  123.00                80
 01/20/2020   06:44:13   (   0.06, -75.21) (   1.02, -79.38)  476.21                80
 01/21/2020   06:22:49   (   0.06, -75.21) (  -0.05, -74.86)   41.07                80
 01/23/2020   18:28:38   (  -0.07, -75.23) (  -0.16, -75.61)   44.00                80
 01/24/2020   18:07:12   (  -0.07, -75.24) (   0.85, -71.08)  473.79                80
 01/26/2020   06:31:38   (   0.08, -75.26) (   0.34, -76.34)  123.95                80
 01/27/2020   06:10:14   (   0.07, -75.27) (  -0.73, -71.82)  394.21                80