Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2021   20:35:16   (  -0.14,-104.32) (  -0.80,-107.20)  328.06                80
 05/06/2021   20:13:53   (  -0.15,-104.31) (   0.23,-102.67)  187.47                80
 05/08/2021   08:35:41   (   0.14,-104.19) (   0.98,-107.94)  426.70                80
 05/09/2021   08:19:38   (   0.14,-104.20) (  -0.05,-103.41)   90.20                80
 05/11/2021   20:20:12   (  -0.14,-104.33) (  -0.12,-104.19)   14.94                80
 05/14/2021   08:23:16   (   0.13,-104.19) (   0.30,-104.93)   84.99                80
 05/15/2021   08:07:13   (   0.14,-104.19) (  -0.73,-100.41)  431.67                80
 05/16/2021   20:29:11   (  -0.12,-104.33) (  -0.41,-105.73)  158.87                80
 05/17/2021   20:07:47   (  -0.13,-104.32) (   0.57,-101.19)  356.68                80