Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2021   08:39:42   (   0.38,-104.20) (   1.28,-108.09)  444.11                80
 09/14/2021   08:18:19   (   0.38,-104.18) (   0.22,-103.57)   70.69                80
 09/16/2021   20:21:32   (  -0.37,-104.26) (  -0.39,-104.34)    9.20                80
 09/19/2021   08:27:16   (   0.36,-104.20) (   0.56,-105.08)  100.41                80
 09/20/2021   08:05:51   (   0.36,-104.19) (  -0.44,-100.55)  414.97                80
 09/21/2021   20:27:48   (  -0.35,-104.25) (  -0.72,-105.86)  182.92                80
 09/22/2021   20:11:44   (  -0.36,-104.27) (   0.28,-101.32)  335.07                80
 09/24/2021   08:33:32   (   0.34,-104.24) (   0.90,-106.59)  268.99                80
 09/25/2021   08:12:08   (   0.35,-104.23) (  -0.11,-102.06)  246.59                80