Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2022   21:53:23   (  -0.31,-127.96) (  -0.03,-126.62)  152.53                80
 09/27/2022   10:15:12   (   0.29,-128.07) (   1.14,-131.90)  436.58                80
 09/28/2022   09:53:48   (   0.30,-128.09) (   0.12,-127.37)   82.58                80
 09/30/2022   21:57:00   (  -0.29,-128.08) (  -0.31,-128.14)    7.02                80
 10/03/2022   10:00:04   (   0.28,-128.19) (   0.46,-128.88)   79.22                80
 10/04/2022   09:41:19   (   0.28,-128.20) (  -0.56,-124.35)  438.76                80
 10/05/2022   22:03:16   (  -0.26,-128.15) (  -0.58,-129.66)  171.64                80
 10/06/2022   21:47:12   (  -0.27,-128.17) (   0.44,-125.13)  346.79                80
 10/08/2022   10:06:20   (   0.25,-128.27) (   0.72,-130.41)  243.48                80