Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2022   10:00:05   (   0.01,-127.44) (   0.29,-128.75)  149.46                80
 12/23/2022   09:44:01   (   0.02,-127.48) (  -0.72,-124.23)  370.83                80
 12/24/2022   22:03:20   (  -0.01,-127.45) (  -0.47,-129.53)  237.31                80
 12/25/2022   21:47:16   (  -0.01,-127.48) (   0.54,-125.00)  282.54                80
 12/27/2022   10:06:26   (   0.00,-127.62) (   0.59,-130.29)  304.23                80
 12/28/2022   09:50:23   (   0.00,-127.65) (  -0.43,-125.76)  215.77                80
 12/29/2022   22:12:21   (   0.01,-127.62) (  -0.75,-131.07)  392.13                80
 12/30/2022   21:50:58   (   0.00,-127.66) (   0.26,-126.54)  127.68                80
 01/01/2023   10:12:47   (  -0.01,-127.78) (   0.92,-131.81)  459.53                80
 01/02/2023   09:56:44   (  -0.00,-127.82) (  -0.10,-127.28)   60.28                80