Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2022   22:02:58   (  -0.03,-127.67) (  -0.46,-129.48)  207.37                80
 12/09/2022   21:46:55   (  -0.03,-127.63) (   0.54,-124.95)  304.82                80
 12/11/2022   10:06:05   (   0.02,-127.64) (   0.62,-130.23)  295.71                80
 12/12/2022   09:50:02   (   0.03,-127.60) (  -0.38,-125.70)  216.09                80
 12/13/2022   22:09:20   (  -0.01,-127.47) (  -0.82,-131.01)  403.52                80
 12/14/2022   21:53:16   (  -0.01,-127.43) (   0.18,-126.48)  108.27                80
 12/16/2022   10:12:27   (  -0.00,-127.44) (   0.97,-131.76)  492.38                80
 12/17/2022   09:56:23   (   0.01,-127.40) (  -0.03,-127.23)   19.11                80
 12/19/2022   21:56:58   (  -0.00,-127.21) (  -0.15,-128.01)   90.07                80
 12/20/2022   21:40:54   (  -0.01,-127.16) (   0.80,-123.46)  420.97                80