Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 8 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2023   08:19:05   (   0.01,-104.71) (  -0.26,-103.58)  129.34                80
 08/20/2023   20:41:00   (  -0.01,-104.69) (  -0.96,-108.88)  477.78                80
 08/21/2023   20:24:56   (  -0.01,-104.69) (   0.09,-104.36)   38.82                80
 08/24/2023   08:27:57   (   0.01,-104.71) (   0.12,-105.09)   43.28                80
 08/25/2023   08:06:32   (   0.02,-104.71) (  -0.93,-100.56)  472.65                80
 08/26/2023   20:28:27   (  -0.02,-104.67) (  -0.28,-105.86)  135.43                80
 08/27/2023   20:12:22   (  -0.02,-104.67) (   0.72,-101.33)  380.57                80
 08/29/2023   08:34:08   (   0.03,-104.69) (   0.48,-106.59)  217.72                80
 08/30/2023   08:12:44   (   0.03,-104.68) (  -0.58,-102.07)  298.14                80
 08/31/2023   20:34:39   (  -0.04,-104.65) (  -0.61,-107.38)  310.04                80
 09/01/2023   20:18:34   (  -0.03,-104.65) (   0.39,-102.84)  206.32                80