Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2023   08:40:29   (   0.01,-104.71) (   0.79,-108.11)  386.99                80
 08/19/2023   08:19:05   (   0.01,-104.71) (  -0.26,-103.58)  129.22                80
 08/20/2023   20:41:00   (  -0.02,-104.69) (  -0.96,-108.88)  477.88                80
 08/21/2023   20:24:55   (  -0.01,-104.69) (   0.04,-104.35)   38.65                80
 08/24/2023   08:27:57   (   0.02,-104.71) (   0.12,-105.09)   43.65                80
 08/25/2023   08:06:31   (   0.02,-104.70) (  -0.88,-100.55)  472.17                80
 08/26/2023   20:28:27   (  -0.03,-104.67) (  -0.27,-105.87)  135.88                80
 08/27/2023   20:12:22   (  -0.03,-104.66) (   0.73,-101.33)  380.08                80
 08/29/2023   08:34:08   (   0.03,-104.68) (   0.47,-106.60)  218.40                80
 08/30/2023   08:12:43   (   0.03,-104.67) (  -0.53,-102.06)  297.38                80
 08/31/2023   20:34:38   (  -0.04,-104.64) (  -0.66,-107.36)  310.72                80