Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2023   20:34:52   (  -0.01,-104.70) (  -0.58,-107.35)  301.77                80
 07/31/2023   20:18:47   (  -0.01,-104.70) (   0.39,-102.81)  214.41                80
 08/02/2023   08:40:34   (   0.02,-104.72) (   0.79,-108.08)  383.65                80
 08/03/2023   08:19:10   (   0.02,-104.72) (  -0.24,-103.56)  132.30                80
 08/04/2023   20:41:06   (  -0.02,-104.69) (  -0.95,-108.87)  475.73                80
 08/05/2023   20:25:01   (  -0.02,-104.69) (   0.08,-104.34)   40.90                80
 08/08/2023   08:28:03   (   0.03,-104.73) (   0.12,-105.08)   39.85                80
 08/09/2023   08:06:39   (   0.03,-104.73) (  -0.92,-100.55)  476.36                80
 08/10/2023   20:28:34   (  -0.03,-104.70) (  -0.31,-105.85)  131.74                80
 08/11/2023   20:12:30   (  -0.03,-104.70) (   0.73,-101.32)  384.81                80