Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 7 31.  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)
 08/02/2015   11:23:25   (  71.23,   7.18) 08/02/2015   11:22:17  (  71.27,   4.99)   78.14                68
 08/02/2015   12:13:07   ( -70.46, 173.62) 08/02/2015   12:12:46  ( -70.49, 173.61)    3.27                21
 08/02/2015   13:02:34   (  70.36, -18.88) 08/02/2015   13:03:29  (  70.34, -18.84)    3.19                55
 08/05/2015   03:40:07   (  70.53, 121.97) 08/05/2015   03:38:56  (  70.55, 121.97)    2.34                71
 08/05/2015   04:29:37   ( -70.42, -70.56) 08/05/2015   04:29:38  ( -70.45, -70.55)    3.32                 1
 08/05/2015   05:19:07   (  70.15,  96.70) 08/05/2015   05:20:18  (  70.14,  97.24)   20.47                71
 08/07/2015   19:56:35   (  70.53,-122.14) 08/07/2015   19:55:47  (  70.51,-122.20)    2.82                48
 08/07/2015   20:46:05   ( -70.42,  45.33) 08/07/2015   20:46:29  ( -70.41,  45.28)    2.23                24
 08/10/2015   12:13:05   (  70.46,  -6.35) 08/10/2015   12:12:39  (  70.48,  -6.37)    1.53                26
 08/10/2015   13:02:35   ( -70.36, 161.12) 08/10/2015   13:03:21  ( -70.37, 161.11)    1.32                46
 08/13/2015   03:40:04   ( -70.72, -57.73) 08/13/2015   03:38:52  ( -70.80, -58.43)   26.95                72
 08/13/2015   04:29:34   (  70.45, 109.51) 08/13/2015   04:29:31  (  70.44, 109.46)    1.87                 3
 08/13/2015   05:19:04   ( -70.34, -83.01) 08/13/2015   05:20:13  ( -70.34, -83.06)    1.89                69