Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2021   08:12:22   (   0.01,-104.54) (  -0.53,-102.12)  276.19                80
 12/31/2021   20:34:15   (   0.00,-104.22) (  -0.72,-107.40)  363.19                80
 01/01/2022   20:18:09   (  -0.01,-104.22) (   0.32,-102.87)  154.29                80
 01/03/2022   08:37:16   (  -0.00,-104.56) (   0.81,-108.15)  409.47                80
 01/04/2022   08:18:30   (   0.00,-104.56) (  -0.23,-103.62)  107.62                80
 01/06/2022   20:21:37   (   0.00,-104.23) (  -0.04,-104.36)   14.71                80
 01/09/2022   08:24:38   (  -0.01,-104.59) (   0.12,-105.10)   59.36                80
 01/10/2022   08:05:52   (  -0.00,-104.59) (  -0.92,-100.57)  458.39                80
 01/11/2022   20:27:46   (   0.01,-104.27) (  -0.32,-105.86)  180.97                80