Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2021   20:27:54   (  -0.29,-104.22) (  -0.66,-105.86)  186.94                80
 10/08/2021   20:11:49   (  -0.30,-104.23) (   0.35,-101.33)  331.02                80
 10/10/2021   08:33:37   (   0.28,-104.27) (   0.81,-106.60)  265.80                80
 10/11/2021   08:12:13   (   0.29,-104.25) (  -0.20,-102.06)  249.45                80
 10/12/2021   20:34:09   (  -0.26,-104.20) (  -1.00,-107.36)  361.35                80
 10/13/2021   20:18:05   (  -0.27,-104.21) (   0.01,-102.83)  156.30                80
 10/15/2021   08:39:54   (   0.24,-104.29) (   1.10,-108.12)  436.35                80
 10/16/2021   08:18:30   (   0.26,-104.27) (   0.08,-103.58)   79.27                80
 10/18/2021   20:21:42   (  -0.24,-104.20) (  -0.26,-104.35)   16.52                80