Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 2 10.  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)
 02/10/2016   13:52:25   ( -70.28, 148.56) 02/10/2016   13:51:41  ( -70.31, 148.54)    2.75                44
 02/10/2016   14:41:52   (  70.18, -43.94) 02/10/2016   14:42:25  (  70.18, -43.95)    0.67                33
 02/13/2016   05:19:12   (  70.97,  97.84) 02/13/2016   05:18:04  (  71.06,  95.77)   75.27                68
 02/13/2016   06:08:53   ( -70.25, -95.60) 02/13/2016   06:08:32  ( -70.25, -95.59)    0.74                21
 02/13/2016   06:58:20   (  70.15,  71.89) 02/13/2016   06:59:16  (  70.12,  71.91)    3.06                56
 02/15/2016   21:35:51   (  70.32,-147.25) 02/15/2016   21:34:42  (  70.32,-147.25)    0.33                69
 02/15/2016   22:25:21   ( -70.21,  20.22) 02/15/2016   22:25:23  ( -70.19,  20.27)    2.89                 2
 02/15/2016   23:14:52   (  69.88,-172.60) 02/15/2016   23:16:03  (  69.86,-171.91)   26.30                71
 02/18/2016   13:52:18   (  70.26, -31.45) 02/18/2016   13:51:32  (  70.28, -31.40)    2.45                46
 02/18/2016   14:41:47   ( -70.21, 136.11) 02/18/2016   14:42:14  ( -70.19, 136.05)    3.08                27
 02/21/2016   05:19:03   ( -71.18, -81.82) 02/21/2016   05:17:56  ( -71.23, -84.49)   95.72                67
 02/21/2016   06:08:45   (  70.25,  84.41) 02/21/2016   06:08:23  (  70.23,  84.45)    2.41                22
 02/21/2016   06:58:15   ( -70.14,-108.10) 02/21/2016   06:59:05  ( -70.14,-108.09)    0.46                50
 02/23/2016   21:35:44   ( -70.39,  32.86) 02/23/2016   21:34:32  ( -70.40,  32.66)    7.65                72
 02/23/2016   22:25:12   (  70.22,-159.74) 02/23/2016   22:25:15  (  70.24,-159.79)    2.94                 3
 02/23/2016   23:14:43   ( -70.06,   7.67) 02/23/2016   23:15:56  ( -70.09,   7.76)    4.97                73