Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 12.  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   06:08:04   ( -70.26, -95.50) 07/12/2018   06:06:51  ( -70.26, -95.63)    4.72                73
 07/12/2018   06:57:32   (  70.11,  71.92) 07/12/2018   06:57:35  (  70.13,  71.88)    3.10                 3
 07/12/2018   07:47:02   ( -70.00,-120.61) 07/12/2018   07:48:15  ( -69.95,-120.53)    5.80                73
 07/14/2018   22:24:36   ( -70.17,  20.24) 07/14/2018   22:23:44  ( -70.18,  20.28)    1.44                52
 07/14/2018   23:14:03   (  70.07,-172.26) 07/14/2018   23:14:28  (  70.06,-172.23)    1.99                25
 07/15/2018   00:03:48   ( -69.13,  -5.90) 07/15/2018   00:04:54  ( -69.13,  -3.55)   92.80                66
 07/17/2018   14:41:06   ( -70.13, 136.07) 07/17/2018   14:40:37  ( -70.15, 136.10)    2.38                29
 07/17/2018   15:30:33   (  70.03, -56.44) 07/17/2018   15:31:21  (  70.03, -56.41)    1.17                48
 07/20/2018   06:08:05   (  70.30,  84.56) 07/20/2018   06:06:52  (  70.37,  84.21)   15.12                73
 07/20/2018   06:57:36   ( -70.14,-108.04) 07/20/2018   06:57:31  ( -70.12,-108.08)    2.80                 5
 07/20/2018   07:47:04   (  69.98,  59.38) 07/20/2018   07:48:15  (  70.01,  59.40)    3.38                71
 07/22/2018   22:24:37   (  70.20,-159.71) 07/22/2018   22:23:43  (  70.19,-159.73)    1.05                54
 07/22/2018   23:14:07   ( -70.09,   7.78) 07/22/2018   23:14:25  ( -70.10,   7.73)    1.59                18
 07/23/2018   00:03:48   (  69.21, 174.21) 07/23/2018   00:04:54  (  69.19, 176.37)   85.31                66
 07/25/2018   14:41:08   (  70.14, -43.90) 07/25/2018   14:40:37  (  70.17, -43.92)    3.01                31
 07/25/2018   15:30:38   ( -70.04, 123.58) 07/25/2018   15:31:18  ( -70.02, 123.63)    3.27                40