Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2013 12 16.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8)   LANDSAT-8 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2013   13:53:41   ( -71.06, 149.68) ( -71.09, 147.00)   97.00                67
 12/18/2013   14:43:23   (  70.12, -44.07) (  70.12, -44.12)    1.91                21
 12/18/2013   15:32:54   ( -69.97, 123.34) ( -69.99, 123.40)    3.31                49
 12/21/2013   06:10:23   ( -70.17, -95.76) ( -70.19, -95.77)    2.62                67
 12/21/2013   06:59:50   (  70.04,  71.71) (  70.06,  71.73)    2.14                10
 12/21/2013   07:49:25   ( -69.67,-121.17) ( -69.67,-120.35)   31.79                71
 12/23/2013   22:26:48   ( -70.12,  20.06) ( -70.14,  20.08)    2.36                35
 12/23/2013   23:16:15   (  69.99,-172.47) (  70.01,-172.42)    2.95                42
 12/26/2013   13:53:42   (  70.24, -31.51) (  70.23, -31.62)    4.16                72
 12/26/2013   14:43:13   ( -70.09, 135.91) ( -70.10, 135.91)    0.54                 2
 12/26/2013   15:32:41   (  69.91, -56.70) (  69.86, -56.43)   11.66                72
 12/29/2013   06:10:08   (  70.12,  84.22) (  70.14,  84.29)    3.62                41
 12/29/2013   06:59:37   ( -70.08,-108.20) ( -70.06,-108.26)    3.49                32