Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 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)
 09/17/2022   10:02:38   (   0.34,-127.75) (   0.58,-128.85)  125.56                80
 09/18/2022   09:41:14   (   0.34,-127.78) (  -0.43,-124.32)  394.14                80
 09/19/2022   22:03:11   (  -0.33,-127.77) (  -0.73,-129.63)  211.70                80
 09/20/2022   21:47:07   (  -0.33,-127.81) (   0.27,-125.10)  308.33                80
 09/22/2022   10:08:56   (   0.31,-127.92) (   0.84,-130.39)  280.75                80
 09/23/2022   09:47:31   (   0.32,-127.94) (  -0.17,-125.85)  238.69                80
 09/24/2022   22:09:28   (  -0.30,-127.92) (  -1.04,-131.15)  368.58                80
 09/25/2022   21:53:23   (  -0.31,-127.95) (  -0.03,-126.62)  151.25                80
 09/27/2022   10:15:12   (   0.29,-128.06) (   1.14,-131.91)  437.56                80
 09/28/2022   09:53:48   (   0.30,-128.09) (   0.13,-127.37)   81.47                80
 09/30/2022   21:57:00   (  -0.29,-128.07) (  -0.31,-128.14)    8.94                80