Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2020   06:22:48   (   0.05, -75.19) (   0.00, -74.85)   38.63                80
 01/23/2020   18:28:38   (  -0.06, -75.21) (  -0.16, -75.61)   46.56                80
 01/24/2020   18:07:12   (  -0.06, -75.21) (   0.86, -71.08)  470.82                80
 01/26/2020   06:31:38   (   0.07, -75.22) (   0.34, -76.34)  128.68                80
 01/27/2020   06:10:13   (   0.07, -75.23) (  -0.68, -71.81)  389.10                80
 01/28/2020   18:34:48   (  -0.07, -75.26) (  -0.48, -77.11)  211.53                80
 01/29/2020   18:13:23   (  -0.07, -75.27) (   0.53, -72.58)  306.76                80
 01/31/2020   06:37:49   (   0.08, -75.29) (   0.66, -77.84)  291.33                80
 02/01/2020   06:16:24   (   0.08, -75.30) (  -0.35, -73.31)  227.19                80
 02/02/2020   18:40:59   (  -0.09, -75.34) (  -0.80, -78.61)  372.55                80
 02/03/2020   18:19:33   (  -0.08, -75.36) (   0.21, -74.08)  146.25                80