Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2021   08:29:48   (   0.05,-104.12) (   0.56,-106.51)  271.74                80
 06/05/2021   08:13:44   (   0.06,-104.12) (  -0.42,-101.97)  245.19                80
 06/06/2021   20:33:02   (  -0.03,-104.33) (  -0.71,-107.29)  337.30                80
 06/07/2021   20:16:58   (  -0.05,-104.33) (   0.28,-102.75)  179.03                80
 06/09/2021   08:36:07   (   0.01,-104.12) (   0.87,-108.03)  445.93                80
 06/10/2021   08:20:02   (   0.03,-104.12) (  -0.11,-103.50)   70.73                80
 06/12/2021   20:20:36   (  -0.01,-104.33) (  -0.03,-104.28)    5.62                80
 06/15/2021   08:23:41   (  -0.00,-104.11) (   0.19,-105.02)  104.34                80
 06/16/2021   08:07:37   (   0.02,-104.11) (  -0.79,-100.49)  412.34                80