Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 12 22.  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)
 12/24/2014   01:11:57   ( -71.67, -19.24) 12/24/2014   01:10:51  ( -71.73, -21.96)   95.41                66
 12/24/2014   02:01:39   (  70.76, 146.95) 12/24/2014   02:01:19  (  70.77, 146.99)    1.89                20
 12/24/2014   02:51:08   ( -70.70, -45.51) 12/24/2014   02:52:01  ( -70.70, -45.57)    2.35                53
 12/26/2014   17:28:40   ( -70.85,  95.33) 12/26/2014   17:27:26  ( -70.90,  95.24)    6.07                74
 12/26/2014   18:18:07   (  70.75, -97.18) 12/26/2014   18:18:09  (  70.73, -97.16)    2.84                 2
 12/26/2014   19:07:37   ( -70.64,  70.28) 12/26/2014   19:08:50  ( -70.60,  70.36)    5.39                73
 12/29/2014   09:45:08   ( -70.81,-148.85) 12/29/2014   09:44:15  ( -70.81,-148.84)    0.61                53
 12/29/2014   10:34:35   (  70.71,  18.64) 12/29/2014   10:34:59  (  70.69,  18.67)    1.94                24
 12/29/2014   11:24:20   ( -69.77,-175.08) 12/29/2014   11:25:25  ( -69.77,-172.59)   95.61                65
 01/01/2015   02:01:34   ( -70.79, -33.00) 01/01/2015   02:01:04  ( -70.79, -33.02)    0.64                30
 01/01/2015   02:51:01   (  70.68, 134.48) 01/01/2015   02:51:48  (  70.67, 134.48)    1.10                47
 01/03/2015   17:28:28   (  71.00, -84.41) 01/03/2015   17:27:16  (  71.07, -85.02)   23.13                72
 01/03/2015   18:18:01   ( -70.73,  82.80) 01/03/2015   18:17:53  ( -70.72,  82.87)    2.61                 8
 01/03/2015   19:07:28   (  70.62,-109.72) 01/03/2015   19:08:37  (  70.61,-109.64)    3.29                69