Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 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)
 06/10/2023   08:34:23   (   0.01,-104.71) (   0.41,-106.46)  199.37                80
 06/11/2023   08:12:58   (   0.01,-104.71) (  -0.62,-101.93)  317.19                80
 06/12/2023   20:34:52   (  -0.01,-104.71) (  -0.59,-107.23)  287.51                80
 06/13/2023   20:18:47   (  -0.01,-104.71) (   0.44,-102.70)  229.60                80
 06/15/2023   08:40:33   (   0.01,-104.73) (   0.73,-107.97)  369.10                80
 06/16/2023   08:19:07   (   0.01,-104.72) (  -0.25,-103.42)  147.61                80
 06/17/2023   20:41:02   (  -0.02,-104.71) (  -0.89,-108.73)  457.82                80
 06/18/2023   20:24:55   (  -0.02,-104.72) (   0.08,-104.19)   59.19                80
 06/21/2023   08:27:56   (   0.02,-104.73) (   0.04,-104.93)   22.40                80
 06/22/2023   08:06:30   (   0.02,-104.73) (  -0.94,-100.39)  494.45                80
 06/23/2023   20:28:24   (  -0.01,-104.72) (  -0.25,-105.69)  110.81                80