Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2015 9 14.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2015   19:41:56   (  72.82,-123.10) 09/14/2015   19:43:08  (  72.82,-123.17)    2.32                72
 09/14/2015   20:32:38   ( -72.82,  44.22) 09/14/2015   20:33:51  ( -72.79,  44.21)    3.30                73
 09/14/2015   21:23:22   (  72.60,-148.90) 09/14/2015   21:24:34  (  72.62,-148.15)   25.37                72
 09/14/2015   22:14:05   ( -72.54,  18.32) 09/14/2015   22:15:17  ( -72.60,  19.23)   30.95                72
 09/14/2015   23:04:50   (  72.27,-174.90) 09/14/2015   23:05:58  (  72.33,-172.93)   66.87                68
 09/14/2015   23:55:33   ( -72.22,  -7.67) 09/14/2015   23:56:41  ( -72.30,  -5.56)   72.21                68