Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 15.  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)
 03/17/2019   06:08:15   (  71.00,  85.52) 03/17/2019   06:07:08  (  71.01,  83.07)   88.55                67
 03/17/2019   06:57:59   ( -70.12,-108.16) 03/17/2019   06:57:34  ( -70.10,-108.13)    2.80                25
 03/17/2019   07:47:26   (  70.02,  59.34) 03/17/2019   07:48:19  (  70.02,  59.29)    2.09                53
 03/19/2019   22:24:58   (  70.18,-159.82) 03/19/2019   22:23:46  (  70.20,-159.84)    2.22                72
 03/19/2019   23:14:28   ( -70.07,   7.65) 03/19/2019   23:14:27  ( -70.07,   7.69)    1.29                 1
 03/20/2019   00:03:57   (  69.85, 174.99) 03/20/2019   00:05:09  (  69.84, 175.34)   13.42                72
 03/22/2019   14:41:27   (  70.13, -44.02) 03/22/2019   14:40:38  (  70.13, -43.94)    2.83                49
 03/22/2019   15:30:57   ( -70.02, 123.47) 03/22/2019   15:31:20  ( -70.04, 123.50)    2.52                23
 03/25/2019   06:57:55   (  70.14,  71.87) 03/25/2019   06:57:31  (  70.11,  71.87)    3.33                24
 03/25/2019   07:47:25   ( -70.03,-120.64) 03/25/2019   07:48:13  ( -70.02,-120.68)    2.01                48
 03/27/2019   22:24:55   ( -70.26,  20.28) 03/27/2019   22:23:41  ( -70.30,  20.03)   10.69                74
 03/27/2019   23:14:23   (  70.09,-172.32) 03/27/2019   23:14:23  (  70.09,-172.33)    0.30                 0
 03/28/2019   00:03:53   ( -69.98,  -4.83) 03/28/2019   00:05:05  ( -70.00,  -4.87)    1.98                72