Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2023   08:12:44   (  -0.01,-104.71) (  -0.60,-102.07)  300.08                80
 08/31/2023   20:34:39   (   0.01,-104.68) (  -0.60,-107.37)  306.81                80
 09/01/2023   20:18:34   (   0.00,-104.69) (   0.40,-102.84)  210.29                80
 09/03/2023   08:40:21   (   0.00,-104.72) (   0.73,-108.12)  386.32                80
 09/04/2023   08:18:55   (   0.00,-104.72) (  -0.28,-103.59)  130.54                80
 09/05/2023   20:40:51   (  -0.00,-104.70) (  -0.91,-108.89)  476.84                80
 09/06/2023   20:24:45   (   0.00,-104.70) (   0.10,-104.36)   40.11                80
 09/09/2023   08:27:46   (  -0.00,-104.74) (   0.08,-105.09)   39.70                80
 09/10/2023   08:06:21   (  -0.00,-104.74) (  -0.93,-100.56)  477.07                80
 09/11/2023   20:28:16   (  -0.00,-104.72) (  -0.24,-105.86)  130.08                80
 09/12/2023   20:12:10   (  -0.00,-104.72) (   0.78,-101.33)  387.23                80