Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/29/2021   08:39:50   (   0.32,-104.23) (   1.17,-108.11)  442.29                80
 09/30/2021   08:18:25   (   0.33,-104.21) (   0.16,-103.58)   72.68                80
 10/02/2021   20:21:37   (  -0.31,-104.22) (  -0.37,-104.34)   15.00                80
 10/05/2021   08:27:22   (   0.30,-104.23) (   0.47,-105.09)   98.32                80
 10/06/2021   08:05:56   (   0.31,-104.21) (  -0.48,-100.55)  416.92                80
 10/07/2021   20:27:54   (  -0.29,-104.20) (  -0.66,-105.86)  189.74                80
 10/08/2021   20:11:49   (  -0.30,-104.20) (   0.35,-101.33)  327.80                80
 10/10/2021   08:33:37   (   0.28,-104.24) (   0.82,-106.60)  269.53                80
 10/11/2021   08:12:13   (   0.29,-104.22) (  -0.19,-102.07)  245.27                80