Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2020   22:11:23   (   0.13,-128.42) (  -0.50,-131.13)  309.25                80
 10/05/2020   21:49:59   (   0.13,-128.42) (   0.54,-126.61)  207.02                80
 10/07/2020   10:11:46   (  -0.13,-128.45) (   0.64,-131.88)  391.15                80
 10/08/2020   09:55:40   (  -0.13,-128.44) (  -0.35,-127.34)  124.84                80
 10/09/2020   22:17:37   (   0.13,-128.41) (  -0.79,-132.66)  483.29                80
 10/10/2020   21:56:11   (   0.14,-128.40) (   0.20,-128.12)   32.00                80
 10/13/2020   09:59:14   (  -0.14,-128.40) (  -0.07,-128.87)   52.53                80
 10/14/2020   09:43:09   (  -0.15,-128.39) (  -1.06,-124.33)  462.76                80
 10/15/2020   22:05:04   (   0.14,-128.35) (  -0.14,-129.63)  145.97                80
 10/16/2020   21:43:39   (   0.14,-128.34) (   0.85,-125.10)  368.79                80