Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2020   06:23:38   (  -0.03, -75.18) (  -0.08, -74.94)   27.80                80
 09/19/2020   18:26:51   (   0.03, -75.19) (  -0.07, -75.71)   59.48                80
 09/20/2020   18:10:47   (   0.03, -75.19) (   0.94, -71.18)  457.04                80
 09/22/2020   06:32:35   (  -0.04, -75.18) (   0.24, -76.45)  144.39                80
 09/23/2020   06:11:11   (  -0.04, -75.18) (  -0.77, -71.92)  372.15                80
 09/24/2020   18:33:07   (   0.04, -75.20) (  -0.44, -77.22)  230.87                80
 09/25/2020   18:17:03   (   0.05, -75.20) (   0.63, -72.70)  286.11                80
 09/27/2020   06:38:52   (  -0.05, -75.21) (   0.54, -77.97)  314.18                80
 09/28/2020   06:17:27   (  -0.05, -75.22) (  -0.46, -73.44)  203.25                80
 09/29/2020   18:39:24   (   0.06, -75.24) (  -0.74, -78.73)  398.20                80
 09/30/2020   18:23:19   (   0.06, -75.26) (   0.27, -74.20)  119.90                80