Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/26/2023   08:06:04   (  -0.02,-104.70) (  -0.95,-100.52)  476.70                80
 09/27/2023   20:27:58   (   0.02,-104.68) (  -0.24,-105.82)  129.56                80
 09/28/2023   20:11:51   (   0.01,-104.69) (   0.74,-101.28)  387.88                80
 09/30/2023   08:33:38   (  -0.01,-104.72) (   0.40,-106.55)  208.34                80
 10/01/2023   08:12:11   (   0.01,-104.72) (  -0.59,-102.01)  309.04                80
 10/02/2023   20:34:06   (  -0.03,-104.70) (  -0.58,-107.31)  297.06                80
 10/03/2023   20:17:59   (  -0.02,-104.70) (   0.41,-102.77)  220.19                80
 10/05/2023   08:39:44   (   0.02,-104.74) (   0.79,-108.03)  375.94                80
 10/06/2023   08:18:19   (   0.02,-104.74) (  -0.27,-103.50)  141.03                80
 10/07/2023   20:40:12   (  -0.02,-104.71) (  -0.94,-108.79)  465.79                80
 10/08/2023   20:24:06   (  -0.02,-104.71) (   0.06,-104.25)   51.70                80