Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 3 8.  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)
 03/08/2018   23:14:30   (  70.12,-172.29) 03/08/2018   23:14:18  (  70.11,-172.32)    1.67                12
 03/09/2018   00:04:00   ( -70.00,  -4.82) 03/09/2018   00:04:59  ( -69.97,  -4.80)    3.05                59
 03/11/2018   14:41:31   ( -70.19, 136.05) 03/11/2018   14:40:30  ( -70.21, 135.98)    3.09                61
 03/11/2018   15:30:58   (  70.08, -56.46) 03/11/2018   15:31:14  (  70.08, -56.52)    2.30                16
 03/11/2018   16:20:37   ( -69.48, 110.34) 03/11/2018   16:21:46  ( -69.47, 111.71)   53.27                69
 03/14/2018   06:57:58   ( -70.16,-108.12) 03/14/2018   06:57:24  ( -70.13,-108.13)    3.10                34
 03/14/2018   07:47:26   (  69.99,  59.29) 03/14/2018   07:48:08  (  70.01,  59.36)    3.03                42
 03/16/2018   22:24:54   (  70.34,-159.61) 03/16/2018   22:23:42  (  70.41,-160.12)   20.61                72
 03/16/2018   23:14:26   ( -70.12,   7.71) 03/16/2018   23:14:20  ( -70.11,   7.67)    2.13                 6
 03/17/2018   00:03:53   (  70.01, 175.20) 03/17/2018   00:05:04  (  69.99, 175.15)    2.52                71
 03/19/2018   14:41:24   (  70.18, -43.95) 03/19/2018   14:40:34  (  70.18, -44.00)    1.72                50
 03/19/2018   15:30:54   ( -70.08, 123.53) 03/19/2018   15:31:16  ( -70.09, 123.46)    2.71                22
 03/19/2018   16:20:38   (  69.02, -70.24) 03/19/2018   16:21:43  (  69.07, -67.75)   99.41                65
 03/22/2018   06:57:52   (  70.13,  71.86) 03/22/2018   06:57:29  (  70.12,  71.87)    1.91                23
 03/22/2018   07:47:22   ( -70.03,-120.65) 03/22/2018   07:48:11  ( -70.02,-120.66)    1.84                49