Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 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)
 07/12/2023   08:34:19   (  -0.01,-104.74) (   0.41,-106.52)  204.46                80
 07/13/2023   08:12:54   (  -0.01,-104.74) (  -0.60,-102.00)  311.56                80
 07/14/2023   20:34:51   (   0.01,-104.72) (  -0.56,-107.31)  295.08                80
 07/15/2023   20:18:47   (   0.01,-104.72) (   0.45,-102.78)  221.20                80
 07/17/2023   08:40:35   (  -0.01,-104.74) (   0.71,-108.06)  377.88                80
 07/18/2023   08:19:11   (  -0.01,-104.74) (  -0.30,-103.53)  138.21                80
 07/19/2023   20:41:07   (   0.01,-104.73) (  -0.91,-108.84)  468.63                80
 07/20/2023   20:25:03   (   0.01,-104.73) (   0.10,-104.31)   48.04                80
 07/23/2023   08:28:07   (  -0.00,-104.76) (   0.04,-105.06)   33.45                80
 07/24/2023   08:06:42   (   0.00,-104.77) (  -0.97,-100.53)  483.13                80