Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2022   21:46:02   (   0.03,-128.38) (   0.77,-124.97)  387.92                80
 06/18/2022   10:05:12   (  -0.06,-128.40) (   0.36,-130.25)  211.57                80
 06/19/2022   09:49:08   (  -0.04,-128.41) (  -0.65,-125.73)  306.04                80
 06/20/2022   22:08:27   (   0.07,-128.43) (  -0.53,-131.04)  298.31                80
 06/21/2022   21:52:23   (   0.06,-128.44) (   0.49,-126.51)  219.59                80
 06/23/2022   10:11:33   (  -0.09,-128.47) (   0.65,-131.80)  379.45                80
 06/24/2022   09:55:30   (  -0.08,-128.48) (  -0.37,-127.27)  137.88                80
 06/25/2022   22:14:48   (   0.11,-128.48) (  -0.80,-132.59)  467.91                80
 06/26/2022   21:58:45   (   0.10,-128.49) (   0.22,-128.06)   49.39                80
 06/29/2022   09:59:11   (  -0.12,-128.51) (  -0.05,-128.81)   33.59                80