Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2023   20:35:48   (  -0.00,-104.75) (  -0.55,-107.30)  290.30                80
 04/10/2023   20:19:44   (   0.00,-104.74) (   0.43,-102.76)  225.84                80
 04/12/2023   08:41:32   (   0.00,-104.73) (   0.76,-108.02)  376.10                80
 04/13/2023   08:20:08   (   0.00,-104.72) (  -0.28,-103.50)  139.60                80
 04/14/2023   20:42:06   (  -0.00,-104.72) (  -0.91,-108.80)  464.76                80
 04/15/2023   20:26:01   (  -0.00,-104.71) (   0.08,-104.26)   51.47                80
 04/18/2023   08:29:06   (   0.00,-104.70) (   0.05,-105.00)   33.27                80
 04/19/2023   08:07:42   (  -0.00,-104.70) (  -0.95,-100.46)  482.99                80
 04/20/2023   20:29:39   (   0.00,-104.70) (  -0.23,-105.77)  120.91                80
 04/21/2023   20:13:34   (   0.01,-104.70) (   0.77,-101.23)  395.49                80