Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2022   10:14:18   (   0.12,-128.33) (   0.91,-131.80)  395.17                80
 04/21/2022   09:52:52   (   0.12,-128.32) (  -0.09,-127.26)  119.91                80
 04/22/2022   22:14:49   (  -0.12,-128.31) (  -1.06,-132.57)  484.70                80
 04/23/2022   21:58:43   (  -0.13,-128.30) (  -0.06,-128.03)   30.48                80
 04/26/2022   10:01:45   (   0.13,-128.24) (   0.22,-128.77)   59.58                80
 04/27/2022   09:40:19   (   0.14,-128.22) (  -0.78,-124.23)  455.44                80
 04/28/2022   22:02:15   (  -0.12,-128.21) (  -0.42,-129.53)  149.57                80
 04/29/2022   21:46:09   (  -0.13,-128.20) (   0.58,-124.99)  365.48                80
 05/01/2022   10:05:17   (   0.12,-128.15) (   0.56,-130.26)  239.81                80
 05/02/2022   09:49:11   (   0.12,-128.13) (  -0.44,-125.73)  274.64                80