Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2013 12 23.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8)   LANDSAT-8 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2013   22:26:55   ( -70.13,  20.04) ( -70.15,  20.06)    2.27                41
 12/23/2013   23:16:22   (  70.01,-172.48) (  70.01,-172.42)    2.14                36
 12/26/2013   13:53:48   (  70.62, -31.01) (  70.65, -32.28)   47.22                70
 12/26/2013   14:43:26   ( -70.09, 135.85) ( -70.10, 135.91)    2.44                15
 12/26/2013   15:32:52   (  70.02, -56.59) (  70.02, -56.66)    2.65                64
 12/29/2013   06:10:29   (  70.17,  84.20) (  70.19,  84.22)    1.70                61
 12/29/2013   06:59:59   ( -70.08,-108.30) ( -70.11,-108.34)    3.19                11
 12/29/2013   07:49:35   (  69.47,  58.50) (  69.45,  59.96)   56.89                69
 12/31/2013   22:27:04   (  70.15,-159.99) (  70.15,-159.96)    1.22                38
 12/31/2013   23:16:34   ( -70.06,   7.52) ( -70.07,   7.49)    1.69                34
 01/03/2014   13:54:02   ( -70.88, 149.29) ( -70.93, 147.25)   74.48                69
 01/03/2014   14:43:41   (  70.11, -44.20) (  70.12, -44.14)    2.92                17
 01/03/2014   15:33:11   ( -70.02, 123.31) ( -70.04, 123.30)    2.11                55