Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 14.  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) (   0.72,-107.97)  370.18                80
 06/16/2023   08:19:08   (  -0.01,-104.72) (  -0.31,-103.44)  146.18                80
 06/17/2023   20:41:02   (   0.01,-104.71) (  -0.89,-108.73)  459.19                80
 06/18/2023   20:24:56   (   0.01,-104.70) (   0.14,-104.21)   57.45                80
 06/21/2023   08:27:56   (  -0.02,-104.71) (   0.04,-104.93)   25.37                80
 06/22/2023   08:06:31   (  -0.01,-104.71) (  -0.99,-100.40)  491.31                80
 06/23/2023   20:28:25   (   0.01,-104.70) (  -0.19,-105.70)  113.61                80
 06/24/2023   20:12:19   (  -0.00,-104.71) (   0.79,-101.16)  403.64                80
 06/26/2023   08:34:05   (   0.00,-104.72) (   0.37,-106.43)  194.73                80
 06/27/2023   08:12:38   (   0.01,-104.72) (  -0.61,-101.89)  322.14                80