Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2013 12 24.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8)   LANDSAT-8 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2013   13:53:48   (  70.47, -31.22) (  70.50, -32.04)   30.61                72
 12/26/2013   14:43:23   ( -70.09, 135.86) ( -70.11, 135.89)    2.32                11
 12/26/2013   15:32:50   (  69.97, -56.65) (  69.97, -56.59)    2.29                66
 12/29/2013   06:10:20   (  70.18,  84.25) (  70.19,  84.21)    1.54                52
 12/29/2013   06:59:50   ( -70.09,-108.26) ( -70.06,-108.27)    2.59                19
 12/29/2013   07:49:32   (  69.14,  58.10) (  69.13,  60.40)   91.21                66
 12/31/2013   22:26:48   (  70.16,-159.91) (  70.15,-159.96)    1.87                22
 12/31/2013   23:16:19   ( -70.01,   7.51) ( -70.02,   7.56)    2.77                48
 01/03/2014   13:53:49   ( -70.23, 148.43) ( -70.25, 148.36)    3.07                69
 01/03/2014   14:43:16   (  70.11, -44.10) (  70.12, -44.13)    1.57                 8
 01/03/2014   15:32:50   ( -69.80, 123.09) ( -69.83, 123.63)   20.82                72
 01/06/2014   06:10:17   ( -70.17, -95.78) ( -70.16, -95.74)    1.81                40
 01/06/2014   06:59:44   (  70.04,  71.69) (  70.03,  71.76)    3.02                37