Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 10.  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)
 07/12/2018   06:08:05   ( -70.22, -95.56) 07/12/2018   06:06:51  ( -70.25, -95.61)    3.39                74
 07/12/2018   06:57:32   (  70.12,  71.94) 07/12/2018   06:57:35  (  70.12,  71.89)    1.68                 3
 07/12/2018   07:47:03   ( -69.96,-120.67) 07/12/2018   07:48:16  ( -69.99,-120.59)    5.08                73
 07/14/2018   22:24:35   ( -70.18,  20.26) 07/14/2018   22:23:43  ( -70.17,  20.30)    2.40                52
 07/14/2018   23:14:02   (  70.08,-172.24) 07/14/2018   23:14:28  (  70.10,-172.29)    2.75                26
 07/15/2018   00:03:47   ( -69.15,  -5.88) 07/15/2018   00:04:53  ( -69.12,  -3.54)   92.90                66
 07/17/2018   14:41:06   ( -70.14, 136.08) 07/17/2018   14:40:37  ( -70.14, 136.12)    1.41                29
 07/17/2018   15:30:33   (  70.03, -56.43) 07/17/2018   15:31:21  (  70.02, -56.40)    1.89                48
 07/20/2018   06:08:05   (  70.31,  84.57) 07/20/2018   06:06:52  (  70.36,  84.23)   14.14                73
 07/20/2018   06:57:37   ( -70.10,-108.10) 07/20/2018   06:57:31  ( -70.11,-108.07)    1.93                 6
 07/20/2018   07:47:04   (  69.99,  59.39) 07/20/2018   07:48:15  (  70.00,  59.41)    1.64                71
 07/22/2018   22:24:37   (  70.20,-159.70) 07/22/2018   22:23:43  (  70.18,-159.72)    2.63                54
 07/22/2018   23:14:07   ( -70.10,   7.79) 07/22/2018   23:14:25  ( -70.08,   7.75)    2.62                18
 07/23/2018   00:03:48   (  69.22, 174.22) 07/23/2018   00:04:55  (  69.23, 176.31)   82.36                67