Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 9 9.  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)
 09/11/2017   06:08:49   ( -70.95, -94.51) 09/11/2017   06:07:41  ( -70.99, -96.91)   87.02                68
 09/11/2017   06:58:30   (  70.08,  71.85) 09/11/2017   06:58:10  (  70.09,  71.85)    0.65                20
 09/11/2017   07:48:00   ( -69.97,-120.68) 09/11/2017   07:48:52  ( -70.00,-120.69)    3.13                52
 09/13/2017   22:25:32   ( -70.17,  20.22) 09/13/2017   22:24:22  ( -70.15,  20.21)    2.30                70
 09/13/2017   23:14:59   (  70.07,-172.29) 09/13/2017   23:15:06  (  70.04,-172.31)    3.48                 7
 09/14/2017   00:04:33   ( -69.74,  -5.12) 09/14/2017   00:05:44  ( -69.73,  -4.53)   22.43                71
 09/16/2017   14:42:02   ( -70.10, 136.00) 09/16/2017   14:41:18  ( -70.11, 136.05)    2.13                44
 09/16/2017   15:31:29   (  69.99, -56.51) 09/16/2017   15:32:02  (  69.99, -56.47)    1.72                33
 09/19/2017   06:08:51   (  70.67,  85.08) 09/19/2017   06:07:42  (  70.74,  83.50)   58.80                69
 09/19/2017   06:58:30   ( -70.07,-108.16) 09/19/2017   06:58:13  ( -70.06,-108.12)    1.76                17
 09/19/2017   07:47:57   (  69.96,  59.33) 09/19/2017   07:48:57  (  69.95,  59.36)    1.65                60
 09/21/2017   22:25:29   (  70.14,-159.82) 09/21/2017   22:24:27  (  70.12,-159.76)    2.75                62
 09/21/2017   23:14:59   ( -70.03,   7.67) 09/21/2017   23:15:09  ( -70.03,   7.71)    1.61                10
 09/22/2017   00:04:35   (  69.42, 174.48) 09/22/2017   00:05:44  (  69.44, 175.89)   55.12                69