Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2022   22:03:16   (  -0.19,-128.37) (  -0.48,-129.65)  145.61                80
 10/22/2022   21:47:11   (  -0.20,-128.38) (   0.56,-125.12)  372.00                80
 10/24/2022   10:06:19   (   0.18,-128.46) (   0.62,-130.39)  220.56                80
 10/25/2022   09:50:14   (   0.19,-128.46) (  -0.42,-125.86)  296.40                80
 10/26/2022   22:09:29   (  -0.17,-128.38) (  -0.80,-131.15)  316.20                80
 10/27/2022   21:53:24   (  -0.18,-128.38) (   0.19,-126.61)  200.48                80
 10/29/2022   10:12:32   (   0.15,-128.44) (   0.93,-131.89)  393.21                80
 10/30/2022   09:56:27   (   0.16,-128.43) (  -0.06,-127.35)  122.57                80
 10/31/2022   22:15:43   (  -0.13,-128.34) (  -1.09,-132.66)  492.23                80
 11/01/2022   21:59:38   (  -0.14,-128.33) (  -0.10,-128.12)   23.61                80