Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 27.  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)
 08/28/2017   22:25:28   ( -70.38,  20.51) 08/28/2017   22:24:16  ( -70.42,  19.83)   25.84                72
 08/28/2017   23:14:59   (  70.06,-172.31) 08/28/2017   23:14:55  (  70.04,-172.28)    2.31                 4
 08/29/2017   00:04:29   ( -69.95,  -4.83) 08/29/2017   00:05:37  ( -69.95,  -4.82)    0.68                68
 08/31/2017   14:42:01   ( -70.14, 136.04) 08/31/2017   14:41:07  ( -70.14, 136.03)    0.50                54
 08/31/2017   15:31:28   (  70.03, -56.47) 08/31/2017   15:31:51  (  70.03, -56.50)    1.10                23
 08/31/2017   16:21:12   ( -69.15, 109.97) 08/31/2017   16:22:19  ( -69.19, 112.05)   82.11                67
 09/03/2017   06:58:31   ( -70.11,-108.13) 09/03/2017   06:58:04  ( -70.13,-108.19)    3.39                27
 09/03/2017   07:47:58   (  70.00,  59.36) 09/03/2017   07:48:47  (  69.97,  59.36)    3.27                49
 09/05/2017   22:25:31   (  70.17,-159.78) 09/05/2017   22:24:18  (  70.17,-159.80)    1.05                73
 09/05/2017   23:15:01   ( -70.07,   7.70) 09/05/2017   23:15:00  ( -70.06,   7.67)    1.45                 1
 09/06/2017   00:04:30   (  69.85, 175.04) 09/06/2017   00:05:42  (  69.85, 175.30)   10.14                72
 09/08/2017   14:42:01   (  70.13, -43.96) 09/08/2017   14:41:14  (  70.11, -43.95)    2.73                47
 09/08/2017   15:31:31   ( -70.03, 123.53) 09/08/2017   15:31:56  ( -70.00, 123.53)    3.08                25