Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2022   21:53:04   (   0.04,-128.34) (   0.40,-126.63)  194.07                80
 01/14/2022   10:12:11   (  -0.05,-128.35) (   0.73,-131.90)  404.49                80
 01/15/2022   09:56:04   (  -0.04,-128.35) (  -0.26,-127.36)  113.20                80
 01/16/2022   22:15:19   (   0.04,-128.36) (  -0.92,-132.66)  490.10                80
 01/17/2022   21:59:12   (   0.03,-128.36) (   0.07,-128.12)   27.42                80
 01/20/2022   09:59:32   (  -0.04,-128.36) (   0.07,-128.85)   54.99                80
 01/21/2022   09:43:26   (  -0.03,-128.36) (  -0.93,-124.31)  461.96                80
 01/22/2022   22:02:40   (   0.04,-128.36) (  -0.25,-129.61)  142.29                80
 01/23/2022   21:46:33   (   0.04,-128.36) (   0.74,-125.06)  374.55                80
 01/25/2022   10:05:40   (  -0.04,-128.35) (   0.38,-130.34)  225.68                80