Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2022   21:52:58   (   0.27,-128.24) (   0.60,-126.66)  179.67                80
 07/25/2022   10:12:07   (  -0.30,-128.20) (   0.56,-131.93)  425.83                80
 07/26/2022   09:56:04   (  -0.29,-128.18) (  -0.47,-127.41)   87.59                80
 07/28/2022   21:56:37   (   0.31,-128.10) (   0.30,-128.19)    9.81                80
 07/31/2022   09:59:42   (  -0.33,-128.04) (  -0.12,-128.93)  102.13                80
 08/01/2022   09:43:38   (  -0.31,-128.01) (  -1.10,-124.40)  410.90                80
 08/02/2022   22:02:56   (   0.34,-127.95) (  -0.04,-129.72)  200.88                80
 08/03/2022   21:46:52   (   0.33,-127.92) (   0.94,-125.18)  312.14                80
 08/05/2022   10:06:01   (  -0.36,-127.88) (   0.21,-130.46)  294.05                80