Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2022   10:08:55   (   0.31,-127.92) (   0.86,-130.38)  280.71                80
 09/23/2022   09:47:31   (   0.32,-127.94) (  -0.15,-125.85)  238.71                80
 09/24/2022   22:09:28   (  -0.30,-127.93) (  -1.01,-131.16)  368.01                80
 09/25/2022   21:53:24   (  -0.31,-127.96) (   0.00,-126.63)  151.81                80
 09/27/2022   10:15:12   (   0.29,-128.06) (   1.16,-131.90)  437.51                80
 09/28/2022   09:53:48   (   0.30,-128.08) (   0.15,-127.37)   81.50                80
 09/30/2022   21:57:00   (  -0.29,-128.07) (  -0.28,-128.15)    8.87                80
 10/03/2022   10:00:04   (   0.28,-128.18) (   0.43,-128.89)   80.98                80
 10/04/2022   09:41:20   (   0.28,-128.19) (  -0.58,-124.36)  436.80                80