Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 26.  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)
 08/26/2017   06:58:29   (  70.11,  71.89) 08/26/2017   06:57:59  (  70.09,  71.88)    2.57                30
 08/26/2017   07:47:59   ( -70.00,-120.64) 08/26/2017   07:48:41  ( -69.99,-120.65)    0.96                42
 08/28/2017   22:25:28   ( -70.35,  20.47) 08/28/2017   22:24:16  ( -70.44,  19.78)   27.62                72
 08/28/2017   23:14:58   (  70.08,-172.27) 08/28/2017   23:14:55  (  70.07,-172.33)    2.42                 3
 08/29/2017   00:04:28   ( -69.97,  -4.79) 08/29/2017   00:05:37  ( -69.97,  -4.86)    2.59                69
 08/31/2017   14:42:02   ( -70.11, 135.99) 08/31/2017   14:41:07  ( -70.12, 136.06)    2.77                55
 08/31/2017   15:31:29   (  70.00, -56.52) 08/31/2017   15:31:51  (  70.01, -56.47)    2.26                22
 08/31/2017   16:21:12   ( -69.18, 110.00) 08/31/2017   16:22:19  ( -69.17, 112.08)   82.04                67
 09/03/2017   06:58:32   ( -70.07,-108.17) 09/03/2017   06:58:04  ( -70.10,-108.15)    3.36                28
 09/03/2017   07:47:59   (  69.96,  59.32) 09/03/2017   07:48:47  (  69.95,  59.40)    3.54                48
 09/05/2017   22:25:31   (  70.19,-159.75) 09/05/2017   22:24:19  (  70.20,-159.85)    3.85                72
 09/05/2017   23:15:02   ( -70.04,   7.66) 09/05/2017   23:15:00  ( -70.04,   7.71)    1.83                 2
 09/06/2017   00:04:30   (  69.87, 175.07) 09/06/2017   00:05:42  (  69.83, 175.33)   10.95                72
 09/08/2017   14:42:00   (  70.15, -43.93) 09/08/2017   14:41:14  (  70.14, -44.00)    2.65                46
 09/08/2017   15:31:31   ( -70.00, 123.48) 09/08/2017   15:31:55  ( -69.98, 123.56)    3.40                24