Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2021   06:18:11   (  -0.06, -75.20) (  -0.44, -73.58)  184.81                80
 10/18/2021   18:42:50   (   0.05, -75.21) (  -0.76, -78.89)  418.77                80
 10/19/2021   18:21:26   (   0.05, -75.22) (   0.23, -74.36)   98.22                80
 10/22/2021   06:24:33   (  -0.04, -75.25) (  -0.05, -75.11)   16.43                80
 10/24/2021   18:30:29   (   0.04, -75.29) (  -0.08, -75.90)   69.10                80
 10/25/2021   18:09:05   (   0.04, -75.30) (   0.91, -71.37)  448.35                80
 10/27/2021   06:33:36   (  -0.03, -75.33) (   0.26, -76.64)  149.93                80
 10/28/2021   06:12:12   (  -0.04, -75.34) (  -0.74, -72.11)  367.55                80
 10/29/2021   18:36:51   (   0.03, -75.37) (  -0.45, -77.42)  234.40                80