Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2023   20:24:29   (  -0.00,-104.68) (   0.09,-104.32)   41.30                80
 09/25/2023   08:27:29   (   0.01,-104.71) (   0.09,-105.05)   39.22                80
 09/26/2023   08:06:04   (   0.01,-104.70) (  -0.95,-100.52)  477.32                80
 09/27/2023   20:27:57   (  -0.01,-104.67) (  -0.30,-105.81)  129.90                80
 09/28/2023   20:11:52   (  -0.01,-104.68) (   0.75,-101.28)  387.16                80
 09/30/2023   08:33:38   (   0.01,-104.71) (   0.40,-106.55)  209.08                80
 10/01/2023   08:12:11   (   0.01,-104.71) (  -0.59,-102.01)  307.77                80
 10/02/2023   20:34:06   (  -0.01,-104.68) (  -0.58,-107.31)  299.52                80
 10/03/2023   20:17:59   (  -0.01,-104.68) (   0.41,-102.77)  217.55                80
 10/05/2023   08:39:45   (   0.02,-104.72) (   0.73,-108.04)  378.34                80