Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2021   20:27:49   (  -0.35,-104.25) (  -0.69,-105.86)  183.43                80
 09/22/2021   20:11:45   (  -0.36,-104.26) (   0.32,-101.33)  334.35                80
 09/24/2021   08:33:33   (   0.34,-104.22) (   0.85,-106.60)  270.82                80
 09/25/2021   08:12:08   (   0.35,-104.21) (  -0.15,-102.07)  244.47                80
 09/26/2021   20:34:06   (  -0.33,-104.23) (  -1.01,-107.37)  357.33                80
 09/27/2021   20:18:01   (  -0.34,-104.24) (  -0.01,-102.84)  160.24                80
 09/29/2021   08:39:50   (   0.32,-104.24) (   1.18,-108.11)  441.23                80
 09/30/2021   08:18:25   (   0.33,-104.22) (   0.17,-103.58)   73.79                80
 10/02/2021   20:21:38   (  -0.31,-104.22) (  -0.32,-104.36)   14.99                80