Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 3 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2020   10:07:42   (  -0.34,-128.39) (   0.14,-130.40)  230.12                80
 03/09/2020   09:46:19   (  -0.34,-128.38) (  -0.93,-125.89)  284.99                80
 03/10/2020   22:08:15   (   0.33,-128.39) (  -0.29,-131.19)  318.95                80
 03/11/2020   21:52:11   (   0.34,-128.38) (   0.72,-126.66)  196.17                80
 03/13/2020   10:13:59   (  -0.33,-128.34) (   0.44,-131.93)  408.54                80
 03/14/2020   09:52:35   (  -0.33,-128.32) (  -0.57,-127.40)  105.99                80
 03/15/2020   22:14:31   (   0.32,-128.31) (  -0.65,-132.70)  499.22                80
 03/16/2020   21:58:27   (   0.32,-128.30) (   0.36,-128.17)   15.33                80
 03/19/2020   10:01:29   (  -0.31,-128.23) (  -0.15,-128.90)   75.66                80
 03/20/2020   09:40:05   (  -0.31,-128.21) (  -1.16,-124.37)  438.29                80