Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2022   09:58:50   (  -0.02,-128.33) (   0.08,-128.71)   44.10                80
 06/14/2022   09:42:46   (  -0.01,-128.34) (  -0.93,-124.18)  473.57                80
 06/15/2022   22:02:06   (   0.04,-128.35) (  -0.20,-129.50)  131.00                80
 06/16/2022   21:46:02   (   0.03,-128.37) (   0.81,-124.98)  386.67                80
 06/18/2022   10:05:12   (  -0.06,-128.39) (   0.33,-130.26)  212.53                80
 06/19/2022   09:49:08   (  -0.04,-128.40) (  -0.62,-125.72)  304.93                80
 06/20/2022   22:08:27   (   0.07,-128.41) (  -0.50,-131.05)  300.28                80
 06/21/2022   21:52:24   (   0.05,-128.42) (   0.51,-126.52)  217.42                80
 06/23/2022   10:11:34   (  -0.09,-128.45) (   0.64,-131.80)  381.44                80
 06/24/2022   09:55:30   (  -0.07,-128.46) (  -0.32,-127.26)  135.72                80