Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2021   20:27:37   (   0.35,-104.37) (  -0.03,-105.98)  183.68                80
 08/05/2021   20:11:34   (   0.34,-104.37) (   1.02,-101.45)  333.32                80
 08/07/2021   08:33:22   (  -0.37,-104.16) (   0.18,-106.72)  291.86                80
 08/08/2021   08:11:58   (  -0.36,-104.15) (  -0.81,-102.19)  224.17                80
 08/09/2021   20:33:56   (   0.39,-104.36) (  -0.32,-107.50)  358.48                80
 08/10/2021   20:17:51   (   0.38,-104.37) (   0.67,-102.97)  158.75                80
 08/12/2021   08:39:40   (  -0.41,-104.17) (   0.53,-108.24)  463.98                80
 08/13/2021   08:18:15   (  -0.39,-104.16) (  -0.46,-103.70)   52.11                80
 08/15/2021   20:21:30   (   0.40,-104.36) (   0.38,-104.50)   15.64                80