Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2023   08:12:49   (  -0.01,-104.74) (  -0.61,-101.93)  319.32                80
 06/28/2023   20:34:46   (   0.01,-104.74) (  -0.56,-107.25)  285.89                80
 06/29/2023   20:18:42   (   0.02,-104.75) (   0.44,-102.72)  231.13                80
 07/01/2023   08:40:31   (  -0.02,-104.78) (   0.69,-108.00)  367.33                80
 07/02/2023   08:19:06   (  -0.02,-104.78) (  -0.31,-103.47)  148.97                80
 07/03/2023   20:41:04   (   0.03,-104.77) (  -0.85,-108.79)  457.76                80
 07/04/2023   20:24:59   (   0.03,-104.78) (   0.15,-104.26)   58.85                80
 07/07/2023   08:28:03   (  -0.04,-104.81) (   0.03,-105.01)   22.72                80
 07/08/2023   08:06:40   (  -0.03,-104.82) (  -1.03,-100.49)  494.13                80
 07/09/2023   20:28:36   (   0.04,-104.81) (  -0.18,-105.79)  112.07                80
 07/10/2023   20:12:31   (   0.04,-104.82) (   0.83,-101.27)  405.10                80