Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 4 2.  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)
 04/04/2015   10:33:51   (  70.71,  18.60) 04/04/2015   10:32:49  (  70.73,  18.66)    3.44                62
 04/04/2015   11:23:20   ( -70.65,-173.87) 04/04/2015   11:23:31  ( -70.64,-173.87)    0.86                11
 04/04/2015   12:12:57   (  70.00,  -7.17) 04/04/2015   12:14:05  (  70.01,  -5.57)   60.59                68
 04/07/2015   02:50:16   (  70.72, 134.49) 04/07/2015   02:49:40  (  70.73, 134.45)    1.93                36
 04/07/2015   03:39:46   ( -70.60, -58.05) 04/07/2015   03:40:21  ( -70.58, -57.99)    3.31                35
 04/09/2015   18:17:06   ( -71.23,  83.54) 04/09/2015   18:15:56  ( -71.29,  81.96)   56.90                70
 04/09/2015   19:06:41   (  70.70,-109.65) 04/09/2015   19:06:30  (  70.67,-109.69)    2.89                11
 04/09/2015   19:56:11   ( -70.58,  57.81) 04/09/2015   19:57:12  ( -70.58,  57.79)    1.16                61
 04/12/2015   10:33:39   ( -70.76,-161.31) 04/12/2015   10:32:36  ( -70.73,-161.31)    3.31                63
 04/12/2015   11:23:05   (  70.65,   6.18) 04/12/2015   11:23:19  (  70.63,   6.16)    2.36                14
 04/12/2015   12:12:43   ( -70.10, 173.01) 04/12/2015   12:13:53  ( -70.11, 174.29)   48.66                70
 04/15/2015   02:50:03   ( -70.69, -45.51) 04/15/2015   02:49:25  ( -70.69, -45.47)    1.50                38
 04/15/2015   03:39:30   (  70.58, 121.97) 04/15/2015   03:40:09  (  70.60, 121.99)    1.91                39