Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 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)
 03/06/2019   14:41:33   (  70.13, -44.01) 03/06/2019   14:40:48  (  70.13, -43.98)    1.47                45
 03/06/2019   15:31:03   ( -70.02, 123.47) 03/06/2019   15:31:30  ( -70.05, 123.46)    3.27                27
 03/09/2019   06:08:20   ( -71.00, -94.47) 03/09/2019   06:07:13  ( -71.05, -97.00)   91.51                67
 03/09/2019   06:58:02   (  70.08,  71.80) 03/09/2019   06:57:41  (  70.09,  71.86)    2.46                21
 03/09/2019   07:47:31   ( -70.03,-120.65) 03/09/2019   07:48:23  ( -70.01,-120.71)    2.82                52
 03/11/2019   22:25:03   ( -70.19,  20.18) 03/11/2019   22:23:50  ( -70.17,  20.19)    1.56                73
 03/11/2019   23:14:29   (  70.08,-172.33) 03/11/2019   23:14:33  (  70.05,-172.31)    2.99                 4
 03/12/2019   00:04:01   ( -69.86,  -5.00) 03/12/2019   00:05:13  ( -69.86,  -4.71)   11.03                72
 03/14/2019   14:41:31   ( -70.13, 135.98) 03/14/2019   14:40:42  ( -70.13, 136.03)    2.16                49
 03/14/2019   15:30:58   (  70.02, -56.54) 03/14/2019   15:31:26  (  70.02, -56.48)    2.10                28
 03/17/2019   06:08:16   (  70.93,  85.42) 03/17/2019   06:07:08  (  70.97,  83.14)   82.92                68
 03/17/2019   06:57:59   ( -70.12,-108.16) 03/17/2019   06:57:35  ( -70.10,-108.13)    2.51                24
 03/17/2019   07:47:26   (  70.00,  59.33) 03/17/2019   07:48:19  (  69.98,  59.35)    2.74                53
 03/19/2019   22:24:57   (  70.20,-159.78) 03/19/2019   22:23:47  (  70.20,-159.84)    2.18                70
 03/19/2019   23:14:28   ( -70.05,   7.63) 03/19/2019   23:14:28  ( -70.06,   7.70)    3.04                 0
 03/20/2019   00:03:57   (  69.82, 174.96) 03/20/2019   00:05:09  (  69.79, 175.42)   18.09                72