Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2023   08:39:41   (   0.00,-104.69) (   0.75,-108.05)  382.06                80
 10/22/2023   08:18:17   (   0.00,-104.69) (  -0.24,-103.51)  133.25                80
 10/23/2023   20:40:14   (   0.00,-104.65) (  -0.94,-108.83)  475.87                80
 10/24/2023   20:24:10   (   0.00,-104.65) (   0.06,-104.29)   39.96                80
 10/27/2023   08:27:15   (   0.00,-104.67) (   0.08,-105.05)   42.55                80
 10/28/2023   08:05:50   (   0.00,-104.67) (  -0.91,-100.52)  473.24                80
 10/29/2023   20:27:46   (  -0.01,-104.64) (  -0.30,-105.82)  135.35                80
 10/30/2023   20:11:42   (  -0.02,-104.63) (   0.71,-101.29)  380.77                80
 11/01/2023   08:33:30   (   0.02,-104.66) (   0.47,-106.56)  217.17                80
 11/02/2023   08:12:06   (   0.02,-104.66) (  -0.53,-102.03)  298.57                80