Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 4 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2020   10:01:28   (  -0.25,-127.74) (   0.03,-128.86)  128.58                80
 04/05/2020   09:40:04   (  -0.26,-127.70) (  -0.99,-124.33)  383.16                80
 04/06/2020   22:04:40   (   0.23,-127.66) (  -0.22,-129.63)  225.31                80
 04/07/2020   21:43:15   (   0.25,-127.62) (   0.80,-125.10)  286.59                80
 04/09/2020   10:07:43   (  -0.22,-127.54) (   0.40,-130.36)  322.16                80
 04/10/2020   09:46:18   (  -0.24,-127.49) (  -0.61,-125.83)  188.95                80
 04/11/2020   22:10:55   (   0.21,-127.44) (  -0.59,-131.14)  421.05                80
 04/12/2020   21:52:09   (   0.22,-127.39) (   0.37,-126.59)   90.29                80
 04/15/2020   09:55:12   (  -0.21,-127.26) (  -0.19,-127.33)    7.94                80