Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/09/2023   08:27:46   (  -0.01,-104.71) (   0.05,-105.09)   43.35                80
 09/10/2023   08:06:20   (  -0.01,-104.70) (  -0.91,-100.55)  473.13                80
 09/11/2023   20:28:15   (   0.00,-104.69) (  -0.27,-105.85)  133.03                80
 09/12/2023   20:12:10   (   0.00,-104.69) (   0.75,-101.32)  383.84                80
 09/14/2023   08:33:56   (   0.00,-104.71) (   0.43,-106.59)  214.00                80
 09/15/2023   08:12:31   (   0.00,-104.71) (  -0.59,-102.06)  302.70                80
 09/16/2023   20:34:26   (  -0.00,-104.69) (  -0.57,-107.36)  303.50                80
 09/17/2023   20:18:20   (  -0.00,-104.70) (   0.39,-102.82)  213.50                80
 09/19/2023   08:40:06   (   0.00,-104.72) (   0.78,-108.09)  384.06                80
 09/20/2023   08:18:40   (   0.00,-104.72) (  -0.24,-103.56)  132.42                80
 09/21/2023   20:40:36   (  -0.00,-104.69) (  -0.91,-108.86)  474.83                80