Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 15.  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   06:38:03   (   0.05, -75.19) (   0.66, -77.89)  307.36                80
 01/16/2020   06:16:37   (   0.05, -75.19) (  -0.35, -73.35)  209.22                80
 01/17/2020   18:41:13   (  -0.05, -75.20) (  -0.82, -78.66)  393.90                80
 01/18/2020   18:19:47   (  -0.05, -75.20) (   0.19, -74.12)  123.15                80
 01/20/2020   06:44:14   (   0.06, -75.21) (   1.00, -79.38)  476.32                80
 01/21/2020   06:22:48   (   0.06, -75.21) (  -0.01, -74.85)   40.89                80
 01/23/2020   18:28:38   (  -0.07, -75.23) (  -0.14, -75.62)   43.78                80
 01/24/2020   18:07:12   (  -0.07, -75.24) (   0.88, -71.09)  474.10                80
 01/26/2020   06:31:39   (   0.08, -75.26) (   0.32, -76.35)  123.91                80
 01/27/2020   06:10:13   (   0.07, -75.27) (  -0.70, -71.81)  394.26                80
 01/28/2020   18:34:49   (  -0.08, -75.30) (  -0.46, -77.12)  206.41                80