Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/15/2022   09:59:28   (  -0.22,-128.39) (  -0.09,-128.88)   56.13                80
 07/16/2022   09:43:25   (  -0.21,-128.37) (  -1.12,-124.35)  458.67                80
 07/17/2022   22:02:43   (   0.24,-128.34) (  -0.04,-129.67)  150.31                80
 07/18/2022   21:46:38   (   0.22,-128.33) (   0.93,-125.13)  364.83                80
 07/20/2022   10:05:48   (  -0.26,-128.32) (   0.24,-130.41)  238.09                80
 07/21/2022   09:49:44   (  -0.24,-128.31) (  -0.79,-125.88)  276.46                80
 07/22/2022   22:09:03   (   0.28,-128.27) (  -0.36,-131.20)  333.89                80
 07/23/2022   21:52:58   (   0.27,-128.25) (   0.61,-126.66)  180.58                80
 07/25/2022   10:12:07   (  -0.30,-128.24) (   0.56,-131.94)  422.73                80
 07/26/2022   09:56:04   (  -0.29,-128.21) (  -0.48,-127.41)   91.06                80