Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2022   22:02:26   (   0.14,-128.48) (  -0.11,-129.59)  126.88                80
 07/02/2022   21:46:22   (   0.12,-128.48) (   0.91,-125.07)  389.41                80
 07/04/2022   10:05:32   (  -0.15,-128.48) (   0.27,-130.34)  212.71                80
 07/05/2022   09:49:28   (  -0.14,-128.47) (  -0.75,-125.82)  303.15                80
 07/06/2022   22:08:46   (   0.17,-128.46) (  -0.42,-131.13)  304.18                80
 07/07/2022   21:52:42   (   0.16,-128.45) (   0.55,-126.59)  211.57                80
 07/09/2022   10:11:52   (  -0.19,-128.45) (   0.57,-131.88)  391.21                80
 07/10/2022   09:55:49   (  -0.18,-128.43) (  -0.45,-127.35)  123.66                80
 07/11/2022   22:15:07   (   0.22,-128.40) (  -0.71,-132.67)  485.97                80
 07/12/2022   21:59:03   (   0.20,-128.38) (   0.25,-128.13)   28.63                80
 07/15/2022   09:59:28   (  -0.22,-128.35) (  -0.10,-128.88)   60.74                80