Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2022   22:12:21   (   0.01,-127.63) (  -0.76,-131.06)  391.07                80
 12/30/2022   21:50:58   (  -0.00,-127.67) (   0.26,-126.54)  128.86                80
 01/01/2023   10:12:47   (  -0.01,-127.79) (   0.92,-131.81)  458.30                80
 01/02/2023   09:56:44   (  -0.00,-127.83) (  -0.10,-127.28)   61.66                80
 01/04/2023   21:59:59   (  -0.00,-127.83) (  -0.06,-128.06)   26.84                80
 01/05/2023   21:38:35   (  -0.01,-127.85) (   0.97,-123.53)  492.33                80
 01/07/2023   10:00:24   (   0.01,-127.97) (   0.21,-128.81)   96.08                80
 01/08/2023   09:44:21   (   0.01,-127.99) (  -0.82,-124.28)  423.11                80
 01/09/2023   22:06:19   (  -0.01,-127.96) (  -0.35,-129.59)  185.25                80
 01/10/2023   21:44:55   (  -0.01,-127.98) (   0.62,-125.05)  333.53                80