Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 1 30.  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)
 02/02/2018   06:58:15   (  70.12,  71.86) 02/02/2018   06:57:40  (  70.11,  71.84)    0.79                35
 02/02/2018   07:47:45   ( -70.00,-120.67) 02/02/2018   07:48:21  ( -69.98,-120.64)    2.77                36
 02/04/2018   22:25:08   ( -70.61,  20.81) 02/04/2018   22:23:58  ( -70.69,  19.40)   53.00                70
 02/04/2018   23:14:43   (  70.07,-172.33) 02/04/2018   23:14:32  (  70.05,-172.28)    3.26                11
 02/05/2018   00:04:13   ( -69.96,  -4.86) 02/05/2018   00:05:14  ( -69.97,  -4.84)    1.28                61
 02/07/2018   14:41:43   ( -70.18, 136.06) 02/07/2018   14:40:41  ( -70.16, 136.03)    2.89                62
 02/07/2018   15:31:11   (  70.01, -56.53) 02/07/2018   15:31:25  (  70.04, -56.48)    2.89                14
 02/07/2018   16:20:48   ( -69.47, 110.36) 02/07/2018   16:21:57  ( -69.48, 111.66)   51.06                69
 02/10/2018   06:58:10   ( -70.12,-108.13) 02/10/2018   06:57:33  ( -70.14,-108.17)    2.77                37
 02/10/2018   07:47:37   (  70.01,  59.35) 02/10/2018   07:48:17  (  70.02,  59.31)    2.25                40
 02/12/2018   22:25:02   (  70.49,-159.34) 02/12/2018   22:23:51  (  70.59,-160.42)   41.11                71
 02/12/2018   23:14:38   ( -70.06,   7.66) 02/12/2018   23:14:25  ( -70.08,   7.70)    2.49                13
 02/13/2018   00:04:05   (  69.94, 175.15) 02/13/2018   00:05:09  (  69.96, 175.19)    2.53                64