Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2020   10:01:21   (  -0.02,-127.91) (   0.18,-128.77)   97.81                80
 12/01/2020   09:39:57   (  -0.04,-127.94) (  -0.89,-124.25)  421.25                80
 12/02/2020   22:04:31   (   0.00,-127.97) (  -0.36,-129.54)  178.43                80
 12/03/2020   21:43:06   (   0.02,-127.99) (   0.71,-125.02)  339.90                80
 12/05/2020   10:07:32   (   0.01,-128.02) (   0.53,-130.27)  256.15                80
 12/06/2020   09:46:07   (  -0.01,-128.04) (  -0.54,-125.75)  262.11                80
 12/07/2020   22:10:42   (  -0.03,-128.07) (  -0.71,-131.03)  338.10                80
 12/08/2020   21:49:17   (  -0.00,-128.09) (   0.36,-126.51)  179.71                80
 12/10/2020   10:13:42   (   0.04,-128.11) (   0.88,-131.76)  417.32                80
 12/11/2020   09:52:18   (   0.02,-128.12) (  -0.19,-127.24)  100.48                80
 12/13/2020   21:55:27   (  -0.04,-128.15) (  -0.03,-128.00)   17.07                80