Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2023   20:41:31   (  -0.01,-104.72) (  -0.92,-108.76)  460.50                80
 05/17/2023   20:25:25   (  -0.01,-104.73) (   0.08,-104.23)   56.42                80
 05/20/2023   08:28:27   (   0.01,-104.73) (   0.06,-104.97)   27.13                80
 05/21/2023   08:07:01   (   0.01,-104.73) (  -0.94,-100.44)  489.25                80
 05/22/2023   20:28:57   (  -0.00,-104.73) (  -0.24,-105.74)  115.34                80
 05/23/2023   20:12:51   (  -0.00,-104.74) (   0.76,-101.21)  401.40                80
 05/25/2023   08:34:39   (  -0.00,-104.74) (   0.37,-106.49)  198.37                80
 05/26/2023   08:13:13   (  -0.00,-104.75) (  -0.63,-101.95)  318.20                80
 05/27/2023   20:35:08   (   0.01,-104.74) (  -0.54,-107.26)  286.39                80
 05/28/2023   20:19:03   (   0.01,-104.75) (   0.48,-102.73)  230.76                80