Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2022   09:43:48   (  -0.03,-128.23) (  -0.90,-124.38)  439.52                80
 01/06/2022   22:03:03   (   0.05,-128.26) (  -0.29,-129.67)  161.60                80
 01/07/2022   21:46:57   (   0.04,-128.28) (   0.75,-125.15)  357.36                80
 01/09/2022   10:06:02   (  -0.05,-128.30) (   0.43,-130.41)  239.93                80
 01/10/2022   09:49:57   (  -0.04,-128.32) (  -0.61,-125.88)  278.88                80
 01/11/2022   22:09:11   (   0.05,-128.34) (  -0.58,-131.17)  322.58                80
 01/12/2022   21:53:05   (   0.04,-128.35) (   0.41,-126.63)  195.97                80
 01/14/2022   10:12:11   (  -0.05,-128.37) (   0.72,-131.90)  402.08                80
 01/15/2022   09:56:05   (  -0.04,-128.38) (  -0.27,-127.36)  116.02                80
 01/16/2022   22:15:19   (   0.04,-128.39) (  -0.91,-132.66)  486.56                80
 01/17/2022   21:59:12   (   0.03,-128.40) (   0.08,-128.12)   31.27                80