Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 2 15.  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)
 02/15/2016   21:35:51   (  70.29,-147.30) 02/15/2016   21:34:41  (  70.30,-147.22)    3.03                70
 02/15/2016   22:25:20   ( -70.23,  20.25) 02/15/2016   22:25:23  ( -70.23,  20.22)    1.41                 3
 02/15/2016   23:14:52   (  69.86,-172.64) 02/15/2016   23:16:03  (  69.89,-171.96)   26.21                71
 02/18/2016   13:52:18   (  70.29, -31.42) 02/18/2016   13:51:33  (  70.31, -31.45)    2.73                45
 02/18/2016   14:41:48   ( -70.18, 136.06) 02/18/2016   14:42:14  ( -70.18, 136.07)    0.56                26
 02/21/2016   05:19:03   ( -71.20, -81.79) 02/21/2016   05:17:57  ( -71.27, -84.57)   99.60                66
 02/21/2016   06:08:45   (  70.27,  84.45) 02/21/2016   06:08:24  (  70.27,  84.39)    2.22                21
 02/21/2016   06:58:15   ( -70.16,-108.08) 02/21/2016   06:59:05  ( -70.14,-108.08)    3.33                50
 02/23/2016   21:35:44   ( -70.36,  32.81) 02/23/2016   21:34:31  ( -70.40,  32.66)    7.32                73
 02/23/2016   22:25:11   (  70.25,-159.71) 02/23/2016   22:25:14  (  70.24,-159.78)    2.82                 3
 02/23/2016   23:14:42   ( -70.08,   7.70) 02/23/2016   23:15:55  ( -70.09,   7.76)    2.65                73
 02/26/2016   13:52:11   ( -70.32, 148.64) 02/26/2016   13:51:21  ( -70.31, 148.58)    2.58                50
 02/26/2016   14:41:38   (  70.21, -43.88) 02/26/2016   14:42:05  (  70.20, -43.95)    2.63                27