Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 3 17.  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)
 03/19/2018   14:41:26   (  70.17, -43.98) 03/19/2018   14:40:34  (  70.16, -43.97)    0.89                52
 03/19/2018   15:30:56   ( -70.06, 123.49) 03/19/2018   15:31:16  ( -70.08, 123.48)    2.09                20
 03/19/2018   16:20:38   (  69.12, -70.13) 03/19/2018   16:21:44  (  69.10, -67.80)   92.44                66
 03/22/2018   06:57:54   (  70.12,  71.82) 03/22/2018   06:57:29  (  70.15,  71.82)    3.22                25
 03/22/2018   07:47:24   ( -70.01,-120.70) 03/22/2018   07:48:10  ( -70.00,-120.64)    2.28                46
 03/24/2018   22:24:54   ( -70.28,  20.29) 03/24/2018   22:23:42  ( -70.30,  20.05)    9.25                72
 03/24/2018   23:14:23   (  70.06,-172.38) 03/24/2018   23:14:24  (  70.08,-172.31)    3.32                 1
 03/25/2018   00:03:53   ( -69.96,  -4.90) 03/25/2018   00:05:06  ( -69.98,  -4.85)    3.59                73
 03/27/2018   14:41:24   ( -70.17, 136.01) 03/27/2018   14:40:36  ( -70.17, 136.00)    0.51                48
 03/27/2018   15:30:51   (  70.06, -56.51) 03/27/2018   15:31:20  (  70.07, -56.53)    1.44                29
 03/30/2018   06:08:11   (  70.87,  85.28) 03/30/2018   06:07:03  (  70.95,  83.21)   76.14                68
 03/30/2018   06:57:53   ( -70.11,-108.20) 03/30/2018   06:57:31  ( -70.11,-108.13)    2.87                22
 03/30/2018   07:47:20   (  69.99,  59.28) 03/30/2018   07:48:15  (  70.01,  59.34)    2.70                55