Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2023   20:18:42   (   0.00,-104.72) (   0.45,-102.72)  228.59                80
 07/01/2023   08:40:30   (   0.00,-104.74) (   0.74,-107.99)  371.23                80
 07/02/2023   08:19:05   (   0.01,-104.73) (  -0.26,-103.46)  144.21                80
 07/03/2023   20:41:03   (  -0.01,-104.70) (  -0.91,-108.78)  463.80                80
 07/04/2023   20:24:58   (  -0.02,-104.70) (   0.09,-104.25)   51.88                80
 07/07/2023   08:28:02   (   0.02,-104.71) (   0.09,-104.99)   32.07                80
 07/08/2023   08:06:38   (   0.02,-104.71) (  -0.92,-100.46)  483.52                80
 07/09/2023   20:28:35   (  -0.02,-104.69) (  -0.24,-105.78)  124.16                80
 07/10/2023   20:12:31   (  -0.02,-104.69) (   0.77,-101.25)  392.02                80
 07/12/2023   08:34:19   (   0.03,-104.71) (   0.41,-106.53)  206.58                80
 07/13/2023   08:12:54   (   0.03,-104.71) (  -0.60,-102.00)  309.21                80