Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2020   10:11:46   (  -0.13,-128.44) (   0.64,-131.88)  391.19                80
 10/08/2020   09:55:40   (  -0.13,-128.44) (  -0.35,-127.34)  124.83                80
 10/09/2020   22:17:37   (   0.13,-128.41) (  -0.79,-132.65)  482.68                80
 10/10/2020   21:56:11   (   0.14,-128.41) (   0.19,-128.12)   32.67                80
 10/13/2020   09:59:14   (  -0.14,-128.40) (  -0.06,-128.87)   52.29                80
 10/14/2020   09:43:09   (  -0.15,-128.39) (  -1.05,-124.33)  463.00                80
 10/15/2020   22:05:04   (   0.14,-128.36) (  -0.15,-129.63)  145.14                80
 10/16/2020   21:43:39   (   0.14,-128.34) (   0.84,-125.09)  369.67                80
 10/18/2020   10:08:06   (  -0.13,-128.34) (   0.34,-130.37)  231.57                80
 10/19/2020   09:49:21   (  -0.14,-128.32) (  -0.71,-125.84)  283.03                80