Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 4 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)
 04/04/2020   10:01:29   (  -0.25,-127.74) (  -0.02,-128.87)  128.56                80
 04/05/2020   09:40:04   (  -0.26,-127.70) (  -0.98,-124.33)  383.24                80
 04/06/2020   22:04:40   (   0.23,-127.66) (  -0.22,-129.63)  224.99                80
 04/07/2020   21:43:15   (   0.25,-127.62) (   0.79,-125.10)  286.99                80
 04/09/2020   10:07:43   (  -0.22,-127.54) (   0.41,-130.36)  321.81                80
 04/10/2020   09:46:18   (  -0.24,-127.49) (  -0.61,-125.83)  189.35                80
 04/11/2020   22:10:55   (   0.21,-127.44) (  -0.59,-131.13)  420.42                80
 04/12/2020   21:49:30   (   0.23,-127.40) (   0.43,-126.60)   90.96                80
 04/15/2020   09:55:12   (  -0.21,-127.26) (  -0.18,-127.32)    7.28                80