Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2022   22:14:48   (  -0.12,-128.32) (  -1.06,-132.57)  484.25                80
 04/23/2022   21:58:43   (  -0.13,-128.30) (  -0.07,-128.03)   30.98                80
 04/26/2022   09:59:04   (   0.13,-128.24) (   0.27,-128.75)   59.46                80
 04/27/2022   09:40:19   (   0.14,-128.22) (  -0.79,-124.23)  455.63                80
 04/28/2022   22:02:15   (  -0.12,-128.22) (  -0.41,-129.53)  148.78                80
 04/29/2022   21:46:09   (  -0.13,-128.20) (   0.59,-124.99)  366.34                80
 05/01/2022   10:05:15   (   0.12,-128.15) (   0.60,-130.25)  239.33                80
 05/02/2022   09:49:10   (   0.12,-128.13) (  -0.40,-125.71)  275.17                80
 05/03/2022   22:08:25   (  -0.11,-128.12) (  -0.78,-131.01)  330.93                80
 05/04/2022   21:52:20   (  -0.12,-128.09) (   0.22,-126.48)  183.57                80