Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 10 21.  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) (   0.77,-108.04)  382.04                80
 10/22/2023   08:18:18   (  -0.00,-104.69) (  -0.28,-103.52)  133.31                80
 10/23/2023   20:40:14   (   0.00,-104.65) (  -0.95,-108.82)  475.62                80
 10/24/2023   20:24:10   (   0.00,-104.65) (   0.10,-104.30)   40.20                80
 10/27/2023   08:27:14   (  -0.00,-104.68) (   0.11,-105.04)   42.37                80
 10/28/2023   08:05:51   (   0.00,-104.67) (  -0.95,-100.52)  473.49                80
 10/29/2023   20:27:47   (  -0.00,-104.64) (  -0.27,-105.83)  135.07                80
 10/30/2023   20:11:43   (  -0.00,-104.64) (   0.74,-101.30)  380.89                80
 11/01/2023   08:33:31   (   0.00,-104.67) (   0.44,-106.57)  217.23                80
 11/02/2023   08:12:06   (   0.00,-104.66) (  -0.56,-102.04)  298.45                80
 11/03/2023   20:34:04   (   0.01,-104.63) (  -0.58,-107.36)  310.75                80