Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2021   18:34:32   (  -0.01, -75.20) (  -0.50, -77.46)  256.82                80
 11/15/2021   18:18:28   (  -0.02, -75.21) (   0.51, -72.93)  260.10                80
 11/17/2021   06:40:17   (   0.02, -75.22) (   0.70, -78.20)  339.56                80
 11/18/2021   06:18:54   (   0.02, -75.23) (  -0.31, -73.67)  177.47                80
 11/19/2021   18:40:52   (  -0.03, -75.25) (  -0.87, -78.98)  425.35                80
 11/20/2021   18:24:49   (  -0.03, -75.26) (   0.14, -74.45)   91.98                80
 11/23/2021   06:25:16   (   0.03, -75.29) (  -0.00, -75.20)   10.48                80
 11/25/2021   18:31:10   (  -0.03, -75.33) (  -0.16, -75.98)   74.22                80
 11/26/2021   18:09:47   (  -0.03, -75.34) (   0.85, -71.45)  443.71                80