Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/10/2020   10:11:10   (  -0.36,-128.25) (   0.43,-131.88)  413.75                80
 02/11/2020   09:55:05   (  -0.35,-128.28) (  -0.56,-127.35)  106.20                80
 02/12/2020   22:14:23   (   0.37,-128.33) (  -0.59,-132.66)  493.29                80
 02/13/2020   21:58:18   (   0.36,-128.36) (   0.41,-128.13)   26.59                80
 02/16/2020   09:58:43   (  -0.36,-128.44) (  -0.28,-128.88)   50.38                80
 02/17/2020   09:42:38   (  -0.35,-128.46) (  -1.28,-124.35)  468.92                80
 02/18/2020   22:01:56   (   0.36,-128.50) (   0.13,-129.66)  131.58                80
 02/19/2020   21:45:51   (   0.35,-128.53) (   1.13,-125.13)  387.61                80
 02/21/2020   10:05:00   (  -0.36,-128.57) (   0.06,-130.40)  209.47                80
 02/22/2020   09:48:55   (  -0.35,-128.59) (  -0.94,-125.87)  309.41                80
 02/23/2020   22:08:12   (   0.36,-128.62) (  -0.21,-131.18)  291.69                80