Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2023   08:40:33   (  -0.01,-104.72) (   0.73,-107.97)  370.16                80
 06/16/2023   08:19:08   (  -0.01,-104.72) (  -0.30,-103.44)  146.18                80
 06/17/2023   20:41:02   (   0.01,-104.70) (  -0.89,-108.73)  459.21                80
 06/18/2023   20:24:56   (   0.01,-104.70) (   0.14,-104.20)   57.39                80
 06/21/2023   08:27:56   (  -0.02,-104.71) (   0.05,-104.93)   25.50                80
 06/22/2023   08:06:31   (  -0.01,-104.71) (  -0.99,-100.40)  491.20                80
 06/23/2023   20:28:25   (   0.01,-104.70) (  -0.20,-105.70)  113.74                80
 06/24/2023   20:12:19   (   0.00,-104.70) (   0.78,-101.16)  403.46                80
 06/26/2023   08:34:05   (   0.00,-104.72) (   0.38,-106.43)  194.96                80
 06/27/2023   08:12:38   (   0.00,-104.72) (  -0.60,-101.89)  321.89                80
 06/28/2023   20:34:33   (   0.00,-104.71) (  -0.58,-107.19)  283.79                80