Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 6 4.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2015   19:56:09   (  70.49,-122.22) 06/04/2015   19:56:31  (  70.51,-122.16)    3.32                22
 06/04/2015   20:45:52   ( -69.66,  44.24) 06/04/2015   20:46:58  ( -69.65,  46.47)   86.46                66
 06/07/2015   11:23:13   ( -70.60,-173.82) 06/07/2015   11:22:41  ( -70.62,-173.88)    2.65                32
 06/07/2015   12:12:40   (  70.50,  -6.32) 06/07/2015   12:13:25  (  70.49,  -6.37)    2.12                45
 06/10/2015   02:50:10   (  70.93, 134.94) 06/10/2015   02:48:59  (  70.99, 133.95)   36.28                71
 06/10/2015   03:39:45   ( -70.55, -58.01) 06/10/2015   03:39:34  ( -70.54, -57.99)    1.53                11
 06/10/2015   04:29:12   (  70.45, 109.48) 06/10/2015   04:30:18  (  70.42, 109.51)    3.35                66
 06/12/2015   19:06:47   (  70.60,-109.70) 06/12/2015   19:05:46  (  70.61,-109.66)    2.11                61
 06/12/2015   19:56:17   ( -70.49,  57.78) 06/12/2015   19:56:28  ( -70.52,  57.80)    3.32                11
 06/12/2015   20:45:53   (  69.89,-135.45) 06/12/2015   20:47:02  (  69.88,-133.90)   59.31                69
 06/15/2015   11:23:17   (  70.58,   6.15) 06/15/2015   11:22:39  (  70.60,   6.13)    2.52                38
 06/15/2015   12:12:47   ( -70.48, 173.63) 06/15/2015   12:13:20  ( -70.46, 173.68)    3.00                33
 06/18/2015   02:50:10   ( -71.26, -44.56) 06/18/2015   02:49:01  ( -71.32, -46.62)   73.95                69
 06/18/2015   03:39:48   (  70.55, 121.98) 06/18/2015   03:39:32  (  70.54, 121.99)    0.94                16
 06/18/2015   04:29:18   ( -70.45, -70.53) 06/18/2015   04:30:14  ( -70.44, -70.54)    0.78                56