Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2022   22:02:56   (  -0.39,-128.06) (  -0.74,-129.59)  175.22                80
 08/19/2022   21:46:52   (  -0.38,-128.06) (   0.30,-125.07)  340.56                80
 08/21/2022   10:08:40   (   0.39,-128.06) (   0.89,-130.34)  259.40                80
 08/22/2022   09:47:16   (   0.38,-128.05) (  -0.09,-125.80)  255.24                80
 08/23/2022   22:09:13   (  -0.39,-128.01) (  -1.09,-131.11)  353.22                80
 08/24/2022   21:53:10   (  -0.38,-128.01) (  -0.04,-126.59)  162.03                80
 08/26/2022   10:14:58   (   0.38,-128.02) (   1.23,-131.86)  437.49                80
 08/27/2022   09:53:34   (   0.38,-128.00) (   0.24,-127.32)   76.92                80
 08/29/2022   21:56:46   (  -0.38,-127.94) (  -0.43,-128.10)   18.29                80
 08/30/2022   21:40:43   (  -0.38,-127.93) (   0.63,-123.58)  496.68                80