Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 9.  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)
 10/10/2018   22:25:12   (  70.21,-159.74) 10/10/2018   22:24:27  (  70.22,-159.80)    3.05                45
 10/10/2018   23:14:42   ( -70.09,   7.73) 10/10/2018   23:15:08  ( -70.09,   7.72)    0.92                26
 10/13/2018   14:41:43   (  70.16, -43.93) 10/13/2018   14:41:21  (  70.18, -43.97)    2.80                22
 10/13/2018   15:31:13   ( -70.05, 123.55) 10/13/2018   15:32:02  ( -70.04, 123.56)    1.06                49
 10/16/2018   06:08:46   ( -70.27, -95.54) 10/16/2018   06:07:32  ( -70.31, -95.71)    7.74                74
 10/16/2018   06:58:14   (  70.10,  71.87) 10/16/2018   06:58:14  (  70.08,  71.94)    3.56                 0
 10/16/2018   07:47:44   ( -70.00,-120.64) 10/16/2018   07:48:56  ( -70.00,-120.61)    1.37                72
 10/18/2018   22:25:17   ( -70.22,  20.26) 10/18/2018   22:24:25  ( -70.21,  20.20)    2.28                52
 10/18/2018   23:14:44   (  70.10,-172.25) 10/18/2018   23:15:09  (  70.10,-172.31)    2.30                25
 10/19/2018   00:04:29   ( -69.18,  -5.88) 10/19/2018   00:05:35  ( -69.16,  -3.63)   89.17                66
 10/21/2018   14:41:47   ( -70.16, 136.06) 10/21/2018   14:41:18  ( -70.17, 136.03)    2.07                29
 10/21/2018   15:31:14   (  70.04, -56.46) 10/21/2018   15:32:02  (  70.06, -56.49)    2.11                48