Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 18.  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)
 03/19/2019   22:24:59   (  70.21,-159.79) 03/19/2019   22:23:46  (  70.18,-159.81)    3.39                73
 03/19/2019   23:14:29   ( -70.11,   7.70) 03/19/2019   23:14:28  ( -70.10,   7.63)    2.62                 1
 03/20/2019   00:03:58   (  69.89, 175.03) 03/20/2019   00:05:10  (  69.87, 175.29)    9.98                72
 03/22/2019   14:41:28   (  70.16, -43.99) 03/22/2019   14:40:38  (  70.16, -43.99)    0.36                50
 03/22/2019   15:30:58   ( -70.06, 123.50) 03/22/2019   15:31:20  ( -70.08, 123.45)    3.05                22
 03/25/2019   06:57:58   (  70.12,  71.83) 03/25/2019   06:57:31  (  70.14,  71.81)    2.30                27
 03/25/2019   07:47:28   ( -70.02,-120.67) 03/25/2019   07:48:12  ( -70.00,-120.66)    2.47                44
 03/27/2019   22:24:57   ( -70.43,  20.51) 03/27/2019   22:23:45  ( -70.50,  19.72)   30.20                72
 03/27/2019   23:14:28   (  70.10,-172.33) 03/27/2019   23:14:23  (  70.07,-172.30)    3.28                 5
 03/28/2019   00:03:58   ( -70.00,  -4.83) 03/28/2019   00:05:05  ( -69.98,  -4.84)    2.58                67
 03/30/2019   14:41:32   ( -70.15, 135.98) 03/30/2019   14:40:32  ( -70.16, 136.03)    2.09                60
 03/30/2019   15:30:59   (  70.03, -56.55) 03/30/2019   15:31:16  (  70.05, -56.50)    2.91                17