Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2023 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2023   18:17:49   (  -0.06, -75.23) (   0.52, -72.71)  287.39                80
 09/20/2023   06:39:35   (   0.05, -75.23) (   0.64, -77.98)  312.69                80
 09/21/2023   06:18:09   (   0.05, -75.24) (  -0.33, -73.44)  204.57                80
 09/22/2023   18:40:04   (  -0.05, -75.25) (  -0.82, -78.75)  398.20                80
 09/23/2023   18:23:59   (  -0.04, -75.26) (   0.22, -74.22)  119.18                80
 09/25/2023   06:45:44   (   0.03, -75.26) (   1.00, -79.47)  480.57                80
 09/26/2023   06:24:18   (   0.03, -75.27) (  -0.03, -74.94)   37.12                80
 09/28/2023   18:27:27   (  -0.02, -75.31) (  -0.11, -75.71)   46.10                80
 09/29/2023   18:11:21   (  -0.03, -75.33) (   0.87, -71.17)  472.58                80
 10/01/2023   06:33:07   (   0.03, -75.35) (   0.28, -76.44)  125.08                80