Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2022   10:08:40   (   0.39,-128.06) (   0.90,-130.34)  259.53                80
 08/22/2022   09:47:17   (   0.38,-128.05) (  -0.14,-125.81)  255.05                80
 08/23/2022   22:09:13   (  -0.39,-128.02) (  -1.11,-131.11)  353.08                80
 08/24/2022   21:53:10   (  -0.38,-128.01) (  -0.06,-126.59)  162.10                80
 08/26/2022   10:14:58   (   0.38,-128.01) (   1.25,-131.85)  437.91                80
 08/27/2022   09:53:34   (   0.38,-128.00) (   0.20,-127.33)   76.47                80
 08/29/2022   21:56:47   (  -0.38,-127.94) (  -0.39,-128.11)   18.68                80
 08/30/2022   21:40:43   (  -0.38,-127.93) (   0.60,-123.57)  496.37                80
 09/01/2022   10:02:31   (   0.38,-127.93) (   0.59,-128.84)  104.17                80
 09/02/2022   09:41:07   (   0.38,-127.91) (  -0.40,-124.31)  409.43                80