Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2021   20:34:10   (  -0.26,-104.20) (  -0.95,-107.37)  361.40                80
 10/13/2021   20:18:06   (  -0.27,-104.21) (   0.07,-102.84)  156.27                80
 10/15/2021   08:39:54   (   0.24,-104.29) (   1.10,-108.11)  436.16                80
 10/16/2021   08:18:30   (   0.26,-104.27) (   0.08,-103.58)   79.47                80
 10/18/2021   20:21:41   (  -0.24,-104.20) (  -0.26,-104.35)   16.45                80
 10/21/2021   08:27:25   (   0.23,-104.32) (   0.41,-105.09)   87.83                80
 10/22/2021   08:06:01   (   0.25,-104.31) (  -0.61,-100.56)  428.21                80
 10/23/2021   20:27:57   (  -0.22,-104.21) (  -0.57,-105.86)  187.68                80
 10/24/2021   20:11:53   (  -0.23,-104.22) (   0.45,-101.33)  330.55                80