Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2022   21:53:16   (  -0.02,-127.44) (   0.18,-126.48)  109.24                80
 12/16/2022   10:12:27   (   0.00,-127.44) (   0.97,-131.76)  492.04                80
 12/17/2022   09:56:23   (   0.01,-127.40) (  -0.03,-127.23)   19.51                80
 12/19/2022   21:56:58   (  -0.00,-127.22) (  -0.16,-128.00)   88.78                80
 12/20/2022   21:40:55   (  -0.01,-127.17) (   0.85,-123.47)  422.29                80
 12/22/2022   10:00:04   (   0.00,-127.16) (   0.35,-128.74)  180.40                80
 12/23/2022   09:44:01   (   0.01,-127.10) (  -0.66,-124.21)  329.97                80
 12/24/2022   22:03:18   (  -0.00,-126.95) (  -0.59,-129.51)  291.48                80
 12/25/2022   21:47:14   (  -0.01,-126.90) (   0.42,-124.98)  218.64                80
 12/27/2022   10:06:24   (  -0.00,-126.88) (   0.77,-130.25)  384.76                80