Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2023   08:33:11   (  -0.01,-104.69) (   0.42,-106.53)  210.01                80
 12/20/2023   08:11:46   (  -0.02,-104.70) (  -0.60,-102.00)  306.95                80
 12/21/2023   20:33:41   (   0.01,-104.67) (  -0.56,-107.30)  299.30                80
 12/22/2023   20:17:34   (   0.00,-104.68) (   0.41,-102.76)  218.25                80
 12/24/2023   08:39:21   (   0.02,-104.71) (   0.74,-108.03)  377.31                80
 12/25/2023   08:17:54   (   0.02,-104.71) (  -0.23,-103.48)  139.72                80
 12/26/2023   20:39:50   (  -0.02,-104.69) (  -0.92,-108.79)  467.11                80
 12/27/2023   20:23:43   (  -0.01,-104.69) (   0.06,-104.24)   50.12                80
 12/30/2023   08:26:44   (   0.00,-104.73) (   0.05,-104.98)   28.64                80
 12/31/2023   08:05:18   (  -0.01,-104.73) (  -0.98,-100.45)  488.56                80