Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 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)
 09/20/2022   21:47:06   (  -0.33,-127.81) (   0.26,-125.10)  308.81                80
 09/22/2022   10:08:56   (   0.31,-127.92) (   0.85,-130.38)  280.78                80
 09/23/2022   09:47:31   (   0.32,-127.94) (  -0.16,-125.85)  238.64                80
 09/24/2022   22:09:28   (  -0.30,-127.92) (  -1.00,-131.16)  368.15                80
 09/25/2022   21:53:24   (  -0.31,-127.95) (   0.01,-126.63)  151.69                80
 09/27/2022   10:15:12   (   0.29,-128.06) (   1.15,-131.90)  437.62                80
 09/28/2022   09:53:48   (   0.30,-128.08) (   0.14,-127.37)   81.37                80
 09/30/2022   21:57:00   (  -0.29,-128.07) (  -0.33,-128.14)    8.96                80
 10/03/2022   10:02:44   (   0.27,-128.18) (   0.42,-128.89)   81.16                80