Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2023   20:28:34   (   0.00,-104.70) (  -0.28,-105.85)  131.63                80
 08/11/2023   20:12:30   (  -0.00,-104.70) (   0.76,-101.33)  384.73                80
 08/13/2023   08:34:17   (   0.01,-104.72) (   0.40,-106.60)  214.25                80
 08/14/2023   08:12:52   (   0.01,-104.71) (  -0.58,-102.07)  301.91                80
 08/15/2023   20:34:47   (  -0.02,-104.70) (  -0.64,-107.36)  304.82                80
 08/16/2023   20:18:43   (  -0.02,-104.70) (   0.40,-102.84)  211.81                80
 08/18/2023   08:40:30   (   0.02,-104.72) (   0.75,-108.12)  386.14                80
 08/19/2023   08:19:04   (   0.02,-104.72) (  -0.24,-103.58)  130.30                80
 08/20/2023   20:41:00   (  -0.02,-104.70) (  -0.97,-108.88)  476.50                80
 08/21/2023   20:24:55   (  -0.02,-104.71) (   0.08,-104.36)   40.26                80