Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 5 24.  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)
 05/25/2018   06:07:49   ( -70.22, -95.72) 05/25/2018   06:06:57  ( -70.24, -95.67)    3.24                52
 05/25/2018   06:57:16   (  70.12,  71.78) 05/25/2018   06:57:41  (  70.12,  71.82)    1.73                25
 05/25/2018   07:47:01   ( -69.18,-121.87) 05/25/2018   07:48:07  ( -69.19,-119.49)   93.94                66
 05/27/2018   21:34:32   (  71.09,-146.16) 05/27/2018   21:33:25  (  71.11,-148.62)   88.62                67
 05/27/2018   22:24:16   ( -70.21,  20.15) 05/27/2018   22:23:52  ( -70.23,  20.12)    2.27                24
 05/27/2018   23:13:43   (  70.11,-172.36) 05/27/2018   23:14:36  (  70.11,-172.39)    1.38                53
 05/30/2018   13:51:14   (  70.26, -31.54) 05/30/2018   13:50:04  (  70.26, -31.47)    2.69                70
 05/30/2018   14:40:44   ( -70.15, 135.94) 05/30/2018   14:40:46  ( -70.17, 135.99)    2.94                 2
 05/30/2018   15:30:15   (  69.82, -56.88) 05/30/2018   15:31:26  (  69.84, -56.21)   26.01                71
 06/02/2018   06:07:40   (  70.24,  84.32) 06/02/2018   06:06:58  (  70.25,  84.31)    1.03                42
 06/02/2018   06:57:10   ( -70.14,-108.20) 06/02/2018   06:57:40  ( -70.16,-108.23)    2.97                30
 06/04/2018   21:34:29   ( -70.94,  33.59) 06/04/2018   21:33:21  ( -70.99,  31.59)   72.97                68
 06/04/2018   22:24:07   (  70.23,-159.83) 06/04/2018   22:23:52  (  70.20,-159.82)    3.18                15
 06/04/2018   23:13:37   ( -70.12,   7.66) 06/04/2018   23:14:34  ( -70.11,   7.63)    2.10                57
 06/07/2018   13:51:07   ( -70.32, 148.55) 06/07/2018   13:50:03  ( -70.31, 148.47)    3.30                64
 06/07/2018   14:40:34   (  70.20, -43.98) 06/07/2018   14:40:47  (  70.20, -44.05)    2.81                13
 06/07/2018   15:30:11   ( -69.72, 122.98) 06/07/2018   15:31:21  ( -69.68, 124.05)   41.52                70