Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2024 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2024   20:33:25   (  -0.01,-104.71) (  -0.58,-107.41)  307.11                80
 09/19/2024   20:17:19   (  -0.01,-104.71) (   0.43,-102.87)  210.31                80
 09/21/2024   08:39:03   (   0.01,-104.70) (   0.77,-108.12)  389.63                80
 09/22/2024   08:17:36   (   0.00,-104.70) (  -0.25,-103.58)  127.24                80
 09/23/2024   20:39:30   (  -0.01,-104.70) (  -0.93,-108.88)  475.80                80
 09/24/2024   20:23:23   (  -0.01,-104.70) (   0.10,-104.34)   41.57                80
 09/27/2024   08:26:20   (   0.01,-104.70) (   0.11,-105.05)   40.64                80
 09/28/2024   08:04:54   (   0.01,-104.70) (  -0.93,-100.51)  476.73                80
 09/29/2024   20:26:46   (  -0.01,-104.70) (  -0.27,-105.80)  125.56                80
 09/30/2024   20:10:39   (  -0.01,-104.70) (   0.78,-101.26)  392.41                80