Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 6.  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)
 06/07/2018   13:51:15   ( -70.22, 148.57) 06/07/2018   13:50:02  ( -70.26, 148.55)    3.74                73
 06/07/2018   14:40:42   (  70.12, -43.94) 06/07/2018   14:40:46  (  70.13, -43.95)    1.09                 4
 06/07/2018   15:30:13   ( -69.96, 123.46) 06/07/2018   15:31:26  ( -69.95, 123.65)    7.24                73
 06/10/2018   06:07:46   ( -70.23, -95.55) 06/10/2018   06:06:56  ( -70.20, -95.59)    2.89                50
 06/10/2018   06:57:14   (  70.06,  71.86) 06/10/2018   06:57:40  (  70.08,  71.91)    2.39                26
 06/10/2018   07:47:00   ( -69.08,-121.84) 06/10/2018   07:48:05  ( -69.10,-119.35)   99.15                65
 06/12/2018   22:24:17   ( -70.17,  20.24) 06/12/2018   22:23:49  ( -70.15,  20.26)    1.99                28
 06/12/2018   23:13:44   (  70.06,-172.27) 06/12/2018   23:14:34  (  70.08,-172.32)    3.30                50
 06/15/2018   13:51:17   (  70.32, -31.30) 06/15/2018   13:50:04  (  70.34, -31.58)   11.16                73
 06/15/2018   14:40:49   ( -70.11, 136.03) 06/15/2018   14:40:43  ( -70.10, 136.11)    2.98                 6
 06/15/2018   15:30:15   (  70.05, -56.40) 06/15/2018   15:31:28  (  70.03, -56.48)    3.17                73
 06/18/2018   06:07:50   (  70.19,  84.40) 06/18/2018   06:06:56  (  70.19,  84.43)    0.91                54
 06/18/2018   06:57:20   ( -70.10,-108.10) 06/18/2018   06:57:38  ( -70.11,-108.12)    1.37                18