Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2022   10:08:06   (   0.12,-128.38) (   0.54,-130.30)  218.69                80
 04/16/2022   09:46:40   (   0.13,-128.37) (  -0.45,-125.76)  297.29                80
 04/17/2022   22:08:37   (  -0.12,-128.38) (  -0.71,-131.07)  306.49                80
 04/18/2022   21:52:31   (  -0.13,-128.37) (   0.28,-126.53)  209.21                80
 04/20/2022   10:14:18   (   0.12,-128.34) (   0.87,-131.80)  394.81                80
 04/21/2022   09:52:53   (   0.13,-128.32) (  -0.12,-127.27)  120.16                80
 04/22/2022   22:14:48   (  -0.12,-128.31) (  -1.09,-132.56)  485.57                80
 04/23/2022   21:58:43   (  -0.13,-128.29) (  -0.10,-128.03)   29.60                80
 04/26/2022   09:59:05   (   0.13,-128.24) (   0.26,-128.76)   59.90                80
 04/27/2022   09:40:19   (   0.14,-128.22) (  -0.74,-124.22)  454.95                80