Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/25/2020   09:52:30   (  -0.06,-127.76) (  -0.14,-127.26)   56.46                80
 11/27/2020   21:58:21   (   0.04,-127.84) (   0.02,-128.04)   23.15                80
 11/28/2020   21:36:55   (   0.05,-127.86) (   1.02,-123.51)  496.26                80
 11/30/2020   10:01:21   (  -0.02,-127.92) (   0.17,-128.77)   97.52                80
 12/01/2020   09:39:56   (  -0.04,-127.94) (  -0.84,-124.24)  421.58                80
 12/02/2020   22:04:31   (   0.00,-127.97) (  -0.35,-129.54)  178.61                80
 12/03/2020   21:43:06   (   0.02,-127.99) (   0.66,-125.01)  339.71                80
 12/05/2020   10:07:32   (   0.01,-128.03) (   0.52,-130.27)  255.83                80
 12/06/2020   09:46:08   (  -0.01,-128.05) (  -0.54,-125.75)  262.48                80
 12/07/2020   22:10:42   (  -0.03,-128.07) (  -0.70,-131.04)  338.16                80
 12/08/2020   21:49:17   (  -0.00,-128.09) (   0.37,-126.52)  179.65                80