Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2023   10:13:03   (   0.01,-128.15) (   0.82,-131.84)  420.67                80
 01/18/2023   09:56:59   (   0.01,-128.17) (  -0.16,-127.31)   97.43                80
 01/20/2023   21:57:33   (  -0.01,-128.15) (   0.01,-128.09)    7.49                80
 01/23/2023   10:00:38   (   0.01,-128.21) (   0.13,-128.83)   69.50                80
 01/24/2023   09:44:33   (   0.00,-128.22) (  -0.86,-124.29)  447.97                80
 01/25/2023   22:06:30   (  -0.00,-128.19) (  -0.31,-129.60)  159.58                80
 01/26/2023   21:45:06   (   0.00,-128.20) (   0.69,-125.06)  357.64                80
 01/28/2023   10:06:54   (  -0.00,-128.25) (   0.49,-130.33)  236.89                80
 01/29/2023   09:50:51   (  -0.00,-128.26) (  -0.57,-125.80)  280.41                80
 01/30/2023   22:12:47   (   0.01,-128.23) (  -0.64,-131.10)  327.25                80