Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2021   20:11:44   (  -0.36,-104.26) (   0.28,-101.32)  334.51                80
 09/24/2021   08:33:32   (   0.34,-104.22) (   0.89,-106.59)  271.00                80
 09/25/2021   08:12:08   (   0.35,-104.20) (  -0.11,-102.06)  244.22                80
 09/26/2021   20:34:05   (  -0.34,-104.23) (  -1.05,-107.37)  357.34                80
 09/27/2021   20:18:01   (  -0.34,-104.24) (  -0.04,-102.83)  160.17                80
 09/29/2021   08:39:49   (   0.32,-104.23) (   1.21,-108.10)  441.64                80
 09/30/2021   08:18:24   (   0.33,-104.22) (   0.21,-103.57)   73.38                80
 10/02/2021   20:21:37   (  -0.31,-104.22) (  -0.35,-104.35)   15.13                80
 10/05/2021   08:27:21   (   0.30,-104.24) (   0.52,-105.09)   97.48                80