Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2022   22:09:13   (  -0.39,-128.02) (  -1.11,-131.11)  352.91                80
 08/24/2022   21:53:10   (  -0.38,-128.01) (  -0.06,-126.58)  162.21                80
 08/26/2022   10:14:58   (   0.39,-128.01) (   1.25,-131.85)  438.26                80
 08/27/2022   09:53:34   (   0.38,-127.99) (   0.21,-127.33)   76.06                80
 08/29/2022   21:56:47   (  -0.38,-127.94) (  -0.40,-128.10)   18.79                80
 08/30/2022   21:40:43   (  -0.38,-127.92) (   0.59,-123.57)  496.12                80
 09/01/2022   10:02:31   (   0.38,-127.92) (   0.60,-128.84)  104.88                80
 09/02/2022   09:41:08   (   0.38,-127.90) (  -0.45,-124.32)  408.66                80
 09/03/2022   22:03:04   (  -0.37,-127.83) (  -0.78,-129.61)  203.28                80
 09/04/2022   21:46:59   (  -0.37,-127.81) (   0.21,-125.08)  310.36                80