Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 1 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2022   09:59:54   (  -0.04,-128.22) (   0.13,-128.91)   79.29                80
 01/05/2022   09:43:48   (  -0.03,-128.23) (  -0.91,-124.38)  439.65                80
 01/06/2022   22:03:03   (   0.05,-128.26) (  -0.28,-129.68)  161.37                80
 01/07/2022   21:46:57   (   0.04,-128.28) (   0.76,-125.15)  357.64                80
 01/09/2022   10:06:02   (  -0.05,-128.31) (   0.43,-130.41)  239.59                80
 01/10/2022   09:49:57   (  -0.05,-128.32) (  -0.62,-125.88)  279.28                80
 01/11/2022   22:09:11   (   0.05,-128.35) (  -0.57,-131.17)  322.09                80
 01/12/2022   21:53:05   (   0.04,-128.36) (   0.42,-126.63)  196.51                80
 01/14/2022   10:12:11   (  -0.05,-128.38) (   0.72,-131.91)  401.49                80
 01/15/2022   09:56:05   (  -0.04,-128.39) (  -0.27,-127.36)  116.67                80
 01/16/2022   22:15:19   (   0.04,-128.40) (  -0.91,-132.66)  485.81                80