Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 9 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)
 09/16/2020   06:45:03   (  -0.04, -75.18) (   0.90, -79.48)  489.28                80
 09/17/2020   06:23:39   (  -0.04, -75.18) (  -0.11, -74.94)   27.77                80
 09/19/2020   18:26:51   (   0.04, -75.22) (  -0.10, -75.71)   56.68                80
 09/20/2020   18:10:47   (   0.04, -75.23) (   0.96, -71.19)  460.87                80
 09/22/2020   06:32:36   (  -0.04, -75.23) (   0.21, -76.46)  139.57                80
 09/23/2020   06:11:11   (  -0.04, -75.24) (  -0.80, -71.92)  377.94                80
 09/24/2020   18:33:07   (   0.05, -75.27) (  -0.41, -77.22)  223.11                80
 09/25/2020   18:17:04   (   0.05, -75.29) (   0.65, -72.70)  294.83                80
 09/27/2020   06:38:52   (  -0.06, -75.30) (   0.52, -77.97)  304.43                80
 09/28/2020   06:17:28   (  -0.06, -75.32) (  -0.48, -73.44)  213.94                80
 09/29/2020   18:39:24   (   0.06, -75.36) (  -0.72, -78.74)  385.59                80