Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2023   09:50:40   (   0.01,-128.08) (  -0.50,-125.80)  260.00                80
 01/14/2023   22:12:38   (  -0.00,-128.05) (  -0.71,-131.10)  347.34                80
 01/15/2023   21:51:14   (  -0.01,-128.07) (   0.33,-126.57)  170.81                80
 01/17/2023   10:13:04   (   0.01,-128.15) (   0.82,-131.85)  421.47                80
 01/18/2023   09:56:59   (   0.01,-128.16) (  -0.16,-127.31)   96.37                80
 01/20/2023   21:57:33   (  -0.01,-128.13) (   0.01,-128.09)    5.06                80
 01/23/2023   10:00:38   (   0.00,-128.19) (   0.15,-128.83)   72.10                80
 01/24/2023   09:44:34   (  -0.00,-128.20) (  -0.90,-124.30)  445.05                80
 01/25/2023   22:06:31   (   0.00,-128.16) (  -0.33,-129.59)  163.54                80
 01/26/2023   21:45:07   (   0.00,-128.17) (   0.72,-125.07)  353.39                80