Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 8 19.  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)
 08/21/2018   06:08:23   (  70.23,  84.45) 08/21/2018   06:07:14  (  70.21,  84.39)    3.23                69
 08/21/2018   06:57:53   ( -70.12,-108.08) 08/21/2018   06:57:56  ( -70.11,-108.13)    2.19                 3
 08/21/2018   07:47:24   (  69.80,  59.11) 08/21/2018   07:48:36  (  69.79,  59.66)   20.95                72
 08/23/2018   22:24:54   (  70.19,-159.73) 08/23/2018   22:24:10  (  70.17,-159.77)    3.32                44
 08/23/2018   23:14:24   ( -70.08,   7.75) 08/23/2018   23:14:52  ( -70.06,   7.71)    2.72                28
 08/26/2018   13:51:45   ( -70.96, 149.66) 08/26/2018   13:50:37  ( -71.01, 147.33)   84.76                68
 08/26/2018   14:41:25   (  70.15, -43.91) 08/26/2018   14:41:06  (  70.13, -43.94)    2.95                19
 08/26/2018   15:30:55   ( -70.04, 123.57) 08/26/2018   15:31:48  ( -70.02, 123.54)    3.07                53
 08/29/2018   06:08:28   ( -70.21, -95.59) 08/29/2018   06:07:18  ( -70.24, -95.65)    3.39                70
 08/29/2018   06:57:55   (  70.10,  71.90) 08/29/2018   06:58:01  (  70.09,  71.89)    2.05                 6
 08/29/2018   07:47:28   ( -69.84,-120.84) 08/29/2018   07:48:40  ( -69.82,-120.39)   17.56                72
 08/31/2018   22:24:59   ( -70.17,  20.23) 08/31/2018   22:24:13  ( -70.14,  20.26)    3.03                46
 08/31/2018   23:14:26   (  70.05,-172.29) 08/31/2018   23:14:57  (  70.05,-172.29)    0.63                31