Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 22.  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)
 08/23/2017   14:41:59   (  70.14, -43.96) 08/23/2017   14:41:03  (  70.16, -43.99)    2.47                56
 08/23/2017   15:31:29   ( -70.02, 123.52) 08/23/2017   15:31:44  ( -70.00, 123.56)    2.86                15
 08/23/2017   16:21:08   (  69.26, -69.88) 08/23/2017   16:22:16  (  69.26, -68.03)   72.86                68
 08/26/2017   06:58:28   (  70.11,  71.89) 08/26/2017   06:57:58  (  70.09,  71.89)    2.88                30
 08/26/2017   07:47:58   ( -70.00,-120.63) 08/26/2017   07:48:40  ( -69.98,-120.64)    2.17                42
 08/28/2017   22:25:28   ( -70.36,  20.48) 08/28/2017   22:24:16  ( -70.44,  19.79)   26.96                72
 08/28/2017   23:14:58   (  70.08,-172.27) 08/28/2017   23:14:55  (  70.07,-172.32)    2.34                 3
 08/29/2017   00:04:28   ( -69.98,  -4.79) 08/29/2017   00:05:37  ( -69.97,  -4.85)    2.65                69
 08/31/2017   14:42:01   ( -70.16, 136.07) 08/31/2017   14:41:08  ( -70.16, 136.00)    2.89                53
 08/31/2017   15:31:29   (  69.99, -56.52) 08/31/2017   15:31:51  (  70.00, -56.46)    2.68                22
 08/31/2017   16:21:12   ( -69.18, 110.01) 08/31/2017   16:22:19  ( -69.16, 112.09)   82.64                67
 09/03/2017   06:58:32   ( -70.07,-108.18) 09/03/2017   06:58:04  ( -70.09,-108.13)    2.87                28
 09/03/2017   07:47:58   (  70.01,  59.38) 09/03/2017   07:48:48  (  69.99,  59.33)    2.97                50