Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2021   20:18:01   (  -0.34,-104.24) (  -0.02,-102.84)  160.60                80
 09/29/2021   08:39:49   (   0.32,-104.23) (   1.19,-108.11)  442.30                80
 09/30/2021   08:18:25   (   0.33,-104.21) (   0.18,-103.58)   72.60                80
 10/02/2021   20:21:38   (  -0.31,-104.22) (  -0.32,-104.35)   15.09                80
 10/05/2021   08:27:21   (   0.30,-104.23) (   0.48,-105.09)   98.41                80
 10/06/2021   08:05:57   (   0.31,-104.21) (  -0.53,-100.56)  416.78                80
 10/07/2021   20:27:53   (  -0.29,-104.19) (  -0.67,-105.86)  190.06                80
 10/08/2021   20:11:49   (  -0.30,-104.20) (   0.34,-101.33)  327.46                80
 10/10/2021   08:33:37   (   0.28,-104.24) (   0.83,-106.60)  269.74                80