Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 5 14.  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)
 05/17/2018   06:07:54   (  70.22,  84.29) 05/17/2018   06:06:58  (  70.23,  84.33)    2.09                56
 05/17/2018   06:57:23   ( -70.16,-108.17) 05/17/2018   06:57:40  ( -70.14,-108.21)    2.89                17
 05/17/2018   07:47:04   (  69.29,  58.28) 05/17/2018   07:48:10  (  69.28,  60.37)   82.08                66
 05/19/2018   22:24:21   (  70.22,-159.83) 05/19/2018   22:23:53  (  70.22,-159.87)    1.62                28
 05/19/2018   23:13:51   ( -70.11,   7.64) 05/19/2018   23:14:35  ( -70.12,   7.60)    2.00                44
 05/22/2018   13:51:20   ( -70.39, 148.64) 05/22/2018   13:50:07  ( -70.47, 148.20)   18.52                73
 05/22/2018   14:40:49   (  70.17, -44.04) 05/22/2018   14:40:47  (  70.15, -43.99)    2.71                 2
 05/22/2018   15:30:19   ( -70.06, 123.44) 05/22/2018   15:31:29  ( -70.05, 123.48)    1.38                70
 05/25/2018   06:07:49   ( -70.22, -95.73) 05/25/2018   06:06:57  ( -70.24, -95.67)    3.43                52
 05/25/2018   06:57:15   (  70.16,  71.83) 05/25/2018   06:57:41  (  70.13,  71.80)    2.99                26
 05/25/2018   07:47:01   ( -69.17,-121.87) 05/25/2018   07:48:07  ( -69.19,-119.49)   94.13                66
 05/27/2018   21:34:32   (  71.08,-146.19) 05/27/2018   21:33:25  (  71.11,-148.64)   88.31                67
 05/27/2018   22:24:16   ( -70.21,  20.14) 05/27/2018   22:23:52  ( -70.23,  20.12)    2.28                24
 05/27/2018   23:13:43   (  70.09,-172.38) 05/27/2018   23:14:35  (  70.07,-172.32)    3.38                52