Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2022   10:06:26   (   0.00,-127.62) (   0.60,-130.28)  303.83                80
 12/28/2022   09:50:23   (   0.01,-127.65) (  -0.41,-125.75)  216.26                80
 12/29/2022   22:12:21   (   0.00,-127.63) (  -0.77,-131.06)  391.32                80
 12/30/2022   21:50:58   (  -0.00,-127.66) (   0.25,-126.53)  128.59                80
 01/01/2023   10:12:48   (  -0.01,-127.79) (   0.87,-131.82)  458.61                80
 01/02/2023   09:56:44   (   0.00,-127.82) (  -0.14,-127.29)   61.30                80
 01/04/2023   21:59:58   (  -0.00,-127.82) (  -0.07,-128.06)   27.32                80
 01/05/2023   21:38:35   (  -0.01,-127.85) (   0.96,-123.53)  491.84                80
 01/07/2023   10:00:24   (   0.01,-127.96) (   0.22,-128.80)   96.62                80
 01/08/2023   09:44:21   (   0.01,-127.99) (  -0.80,-124.28)  422.55                80
 01/09/2023   22:06:19   (  -0.01,-127.95) (  -0.35,-129.59)  185.89                80