Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/30/2022   21:57:00   (  -0.29,-128.09) (  -0.33,-128.14)    6.37                80
 10/03/2022   10:02:44   (   0.28,-128.21) (   0.41,-128.89)   77.23                80
 10/04/2022   09:41:20   (   0.28,-128.22) (  -0.61,-124.36)  441.00                80
 10/05/2022   22:03:16   (  -0.26,-128.17) (  -0.59,-129.66)  169.25                80
 10/06/2022   21:47:12   (  -0.27,-128.19) (   0.43,-125.13)  349.42                80
 10/08/2022   10:06:20   (   0.25,-128.30) (   0.72,-130.40)  240.13                80
 10/09/2022   09:50:16   (   0.26,-128.31) (  -0.30,-125.87)  278.24                80
 10/10/2022   22:09:32   (  -0.24,-128.26) (  -0.88,-131.18)  332.72                80
 10/11/2022   21:53:28   (  -0.25,-128.27) (   0.15,-126.65)  185.80                80
 10/13/2022   10:12:36   (   0.23,-128.37) (   1.00,-131.92)  403.86                80