Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2019   06:16:50   (   0.02, -75.20) (  -0.36, -73.40)  204.73                80
 01/01/2020   18:41:25   (  -0.02, -75.21) (  -0.82, -78.70)  397.96                80
 01/02/2020   18:20:01   (  -0.02, -75.22) (   0.24, -74.18)  119.51                80
 01/04/2020   06:44:27   (   0.03, -75.23) (   0.95, -79.44)  479.32                80
 01/05/2020   06:23:02   (   0.02, -75.24) (  -0.06, -74.90)   38.34                80
 01/07/2020   18:28:52   (  -0.03, -75.27) (  -0.11, -75.67)   45.57                80
 01/08/2020   18:07:26   (  -0.03, -75.28) (   0.90, -71.14)  472.30                80
 01/10/2020   06:31:53   (   0.04, -75.30) (   0.30, -76.40)  125.95                80
 01/11/2020   06:10:27   (   0.03, -75.31) (  -0.71, -71.86)  391.96                80
 01/12/2020   18:35:02   (  -0.04, -75.33) (  -0.46, -77.17)  209.28                80
 01/13/2020   18:13:37   (  -0.03, -75.35) (   0.56, -72.63)  308.98                80