Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 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)
 07/28/2022   21:56:38   (   0.31,-128.10) (   0.32,-128.19)    9.95                80
 07/31/2022   09:59:43   (  -0.32,-128.03) (  -0.13,-128.93)  102.44                80
 08/01/2022   09:43:38   (  -0.31,-128.00) (  -1.11,-124.40)  410.54                80
 08/02/2022   22:02:56   (   0.34,-127.95) (  -0.03,-129.72)  200.92                80
 08/03/2022   21:46:52   (   0.33,-127.92) (   0.95,-125.18)  312.04                80
 08/05/2022   10:06:01   (  -0.36,-127.87) (   0.21,-130.46)  294.66                80
 08/06/2022   09:49:57   (  -0.35,-127.83) (  -0.77,-125.92)  217.38                80
 08/07/2022   22:09:14   (   0.38,-127.76) (  -0.43,-131.23)  396.33                80
 08/08/2022   21:53:11   (   0.37,-127.71) (   0.61,-126.71)  115.43                80