Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 6 29.  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)
 07/01/2015   11:23:24   (  70.57,   6.14) 07/01/2015   11:22:29  (  70.57,   6.17)    1.15                55
 07/01/2015   12:12:54   ( -70.46, 173.61) 07/01/2015   12:13:11  ( -70.47, 173.64)    1.97                17
 07/01/2015   13:02:35   (  69.59, -19.98) 07/01/2015   13:03:41  (  69.62, -17.76)   86.10                66
 07/04/2015   03:39:56   (  70.54, 121.97) 07/04/2015   03:39:22  (  70.54, 121.98)    0.66                34
 07/04/2015   04:29:26   ( -70.43, -70.56) 07/04/2015   04:30:04  ( -70.44, -70.55)    1.53                38
 07/06/2015   19:06:51   ( -71.15,  71.14) 07/06/2015   19:05:42  ( -71.19,  69.36)   63.96                69
 07/06/2015   19:56:28   (  70.50,-122.22) 07/06/2015   19:56:15  (  70.52,-122.22)    2.34                13
 07/06/2015   20:45:58   ( -70.39,  45.26) 07/06/2015   20:46:57  ( -70.41,  45.26)    2.43                59
 07/09/2015   11:23:32   ( -70.61,-173.81) 07/09/2015   11:22:24  ( -70.59,-173.88)    3.55                68
 07/09/2015   12:13:00   (  70.45,  -6.41) 07/09/2015   12:13:07  (  70.45,  -6.33)    2.79                 7
 07/09/2015   13:02:34   ( -70.13, 160.76) 07/09/2015   13:03:45  ( -70.13, 161.48)   27.16                71
 07/12/2015   03:40:03   ( -70.56, -58.01) 07/12/2015   03:39:16  ( -70.57, -58.07)    2.62                47
 07/12/2015   04:29:30   (  70.45, 109.47) 07/12/2015   04:29:59  (  70.43, 109.46)    2.63                29