Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/24/2020   10:13:55   (  -0.04,-127.73) (   0.88,-131.80)  463.55                80
 11/25/2020   09:52:31   (  -0.06,-127.77) (  -0.18,-127.27)   56.55                80
 11/27/2020   21:58:20   (   0.04,-127.84) (   0.00,-128.04)   22.85                80
 11/28/2020   21:36:55   (   0.05,-127.87) (   1.01,-123.51)  496.50                80
 11/30/2020   10:01:21   (  -0.02,-127.92) (   0.18,-128.77)   97.02                80
 12/01/2020   09:39:57   (  -0.04,-127.95) (  -0.89,-124.25)  422.17                80
 12/02/2020   22:04:31   (   0.00,-127.98) (  -0.35,-129.54)  178.02                80
 12/03/2020   21:43:07   (   0.02,-128.00) (   0.71,-125.02)  340.37                80
 12/05/2020   10:07:32   (   0.01,-128.04) (   0.53,-130.27)  254.96                80
 12/06/2020   09:46:07   (  -0.01,-128.06) (  -0.54,-125.75)  263.44                80