Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 7 5.  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)
 07/06/2015   19:06:50   ( -71.14,  71.13) 07/06/2015   19:05:41  ( -71.18,  69.38)   63.22                69
 07/06/2015   19:56:27   (  70.50,-122.21) 07/06/2015   19:56:14  (  70.51,-122.20)    1.15                13
 07/06/2015   20:45:57   ( -70.38,  45.26) 07/06/2015   20:46:56  ( -70.41,  45.28)    2.80                59
 07/09/2015   11:23:30   ( -70.60,-173.83) 07/09/2015   11:22:22  ( -70.59,-173.86)    1.56                68
 07/09/2015   12:12:57   (  70.50,  -6.34) 07/09/2015   12:13:06  (  70.49,  -6.40)    2.35                 9
 07/09/2015   13:02:32   ( -70.11, 160.74) 07/09/2015   13:03:43  ( -70.12, 161.49)   28.45                71
 07/12/2015   03:40:02   ( -70.53, -58.05) 07/12/2015   03:39:14  ( -70.52, -57.98)    2.98                48
 07/12/2015   04:29:29   (  70.43, 109.44) 07/12/2015   04:29:58  (  70.42, 109.48)    1.52                29
 07/14/2015   19:06:48   (  71.43,-108.40) 07/14/2015   19:05:42  (  71.50,-111.19)   98.97                66
 07/14/2015   19:56:33   ( -70.51,  57.80) 07/14/2015   19:56:07  ( -70.50,  57.81)    0.93                26
 07/14/2015   20:46:00   (  70.40,-134.72) 07/14/2015   20:46:51  (  70.41,-134.73)    1.33                51
 07/17/2015   11:23:33   (  70.63,   6.23) 07/17/2015   11:22:20  (  70.71,   5.93)   14.18                73
 07/17/2015   12:13:04   ( -70.48, 173.63) 07/17/2015   12:13:00  ( -70.49, 173.60)    2.10                 4
 07/17/2015   13:02:31   (  70.36, -18.89) 07/17/2015   13:03:43  (  70.35, -18.87)    1.58                72