Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2021   08:34:21   (   0.13,-104.37) (   0.68,-106.73)  269.90                80
 11/12/2021   08:12:58   (   0.14,-104.36) (  -0.32,-102.20)  245.55                80
 11/13/2021   20:34:56   (  -0.11,-104.15) (  -0.86,-107.51)  382.31                80
 11/14/2021   20:18:53   (  -0.12,-104.17) (   0.15,-102.98)  135.41                80
 11/16/2021   08:40:44   (   0.10,-104.41) (   0.94,-108.27)  440.29                80
 11/17/2021   08:19:20   (   0.11,-104.40) (  -0.06,-103.74)   75.76                80
 11/19/2021   20:22:34   (  -0.10,-104.18) (  -0.16,-104.51)   37.29                80
 11/20/2021   20:06:31   (  -0.12,-104.19) (   0.85, -99.98)  480.39                80
 11/22/2021   08:28:21   (   0.09,-104.44) (   0.30,-105.26)   94.35                80
 11/23/2021   08:06:58   (   0.11,-104.44) (  -0.71,-100.74)  421.43                80