Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2023   08:41:32   (   0.00,-104.73) (   0.72,-108.03)  376.06                80
 04/13/2023   08:20:08   (   0.01,-104.72) (  -0.26,-103.49)  139.86                80
 04/14/2023   20:42:05   (  -0.01,-104.72) (  -0.93,-108.79)  464.03                80
 04/15/2023   20:26:01   (  -0.01,-104.72) (   0.06,-104.25)   52.50                80
 04/18/2023   08:29:06   (   0.01,-104.71) (   0.07,-105.00)   32.36                80
 04/19/2023   08:07:42   (  -0.02,-104.71) (  -0.99,-100.47)  483.38                80
 04/20/2023   20:29:39   (   0.02,-104.71) (  -0.19,-105.77)  120.21                80
 04/21/2023   20:13:35   (   0.02,-104.72) (   0.81,-101.24)  396.52                80
 04/23/2023   08:35:23   (  -0.02,-104.71) (   0.36,-106.50)  204.15                80
 04/24/2023   08:13:59   (  -0.02,-104.71) (  -0.64,-101.97)  312.21                80
 04/25/2023   20:35:55   (   0.02,-104.71) (  -0.58,-107.26)  291.92                80