Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/11/2023   08:12:58   (  -0.00,-104.71) (  -0.64,-101.93)  316.86                80
 06/12/2023   20:34:53   (   0.00,-104.71) (  -0.57,-107.23)  287.82                80
 06/13/2023   20:18:47   (   0.00,-104.71) (   0.46,-102.70)  229.23                80
 06/15/2023   08:40:33   (  -0.00,-104.72) (   0.71,-107.97)  369.61                80
 06/16/2023   08:19:07   (  -0.00,-104.72) (  -0.27,-103.43)  147.00                80
 06/17/2023   20:41:02   (   0.00,-104.71) (  -0.87,-108.74)  458.45                80
 06/18/2023   20:24:56   (   0.00,-104.71) (   0.11,-104.20)   58.46                80
 06/21/2023   08:27:57   (  -0.01,-104.73) (   0.02,-104.94)   23.36                80
 06/22/2023   08:06:30   (  -0.01,-104.73) (  -0.96,-100.40)  493.42                80
 06/23/2023   20:28:24   (   0.01,-104.72) (  -0.22,-105.70)  111.75                80
 06/24/2023   20:12:19   (   0.01,-104.73) (   0.82,-101.17)  405.68                80