Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2023   20:18:19   (  -0.00,-104.69) (   0.38,-102.81)  212.66                80
 09/19/2023   08:40:06   (   0.00,-104.71) (   0.78,-108.08)  384.92                80
 09/20/2023   08:18:40   (   0.00,-104.71) (  -0.24,-103.55)  131.38                80
 09/21/2023   20:40:34   (  -0.00,-104.67) (  -0.97,-108.85)  476.31                80
 09/22/2023   20:24:29   (  -0.00,-104.67) (   0.07,-104.32)   40.01                80
 09/25/2023   08:27:30   (   0.01,-104.69) (   0.06,-105.06)   41.84                80
 09/26/2023   08:06:03   (   0.01,-104.68) (  -0.91,-100.51)  474.35                80
 09/27/2023   20:27:58   (  -0.01,-104.65) (  -0.28,-105.81)  133.27                80
 09/28/2023   20:11:52   (  -0.01,-104.64) (   0.76,-101.28)  383.35                80
 09/30/2023   08:33:37   (   0.01,-104.67) (   0.46,-106.54)  213.72                80