Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2021   06:33:56   (   0.00, -75.19) (   0.36, -76.67)  169.80                80
 11/13/2021   06:12:34   (   0.00, -75.19) (  -0.70, -72.16)  346.56                80
 11/14/2021   18:37:11   (  -0.01, -75.20) (  -0.53, -77.45)  256.86                80
 11/15/2021   18:15:49   (  -0.01, -75.21) (   0.53, -72.94)  260.28                80
 11/17/2021   06:40:18   (   0.02, -75.23) (   0.67, -78.20)  338.84                80
 11/18/2021   06:18:54   (   0.02, -75.24) (  -0.33, -73.67)  178.43                80
 11/19/2021   18:43:33   (  -0.02, -75.26) (  -0.84, -78.98)  424.15                80
 11/20/2021   18:22:09   (  -0.02, -75.27) (   0.17, -74.46)   93.37                80
 11/23/2021   06:25:15   (   0.02, -75.31) (   0.02, -75.20)   12.74                80
 11/25/2021   18:31:10   (  -0.02, -75.35) (  -0.18, -75.98)   71.66                80