Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2022   10:15:12   (   0.29,-128.07) (   1.17,-131.89)  436.28                80
 09/28/2022   09:53:47   (   0.30,-128.10) (   0.16,-127.36)   83.00                80
 09/30/2022   21:57:00   (  -0.29,-128.08) (  -0.30,-128.14)    6.52                80
 10/03/2022   10:00:04   (   0.28,-128.20) (   0.44,-128.88)   78.34                80
 10/04/2022   09:41:20   (   0.28,-128.21) (  -0.57,-124.35)  439.68                80
 10/05/2022   22:03:17   (  -0.26,-128.16) (  -0.57,-129.67)  170.71                80
 10/06/2022   21:47:11   (  -0.27,-128.18) (   0.39,-125.12)  347.82                80
 10/08/2022   10:06:21   (   0.25,-128.28) (   0.71,-130.41)  242.21                80
 10/09/2022   09:50:16   (   0.26,-128.29) (  -0.31,-125.88)  275.99                80
 10/10/2022   22:09:32   (  -0.24,-128.24) (  -0.88,-131.18)  335.11                80