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)
 08/28/2017   22:25:29   ( -70.34,  20.45) 08/28/2017   22:24:16  ( -70.41,  19.84)   23.96                73
 08/28/2017   23:14:59   (  70.07,-172.30) 08/28/2017   23:14:56  (  70.09,-172.35)    3.07                 3
 08/29/2017   00:04:29   ( -69.96,  -4.82) 08/29/2017   00:05:37  ( -69.94,  -4.81)    2.43                68
 08/31/2017   14:42:01   ( -70.15, 136.05) 08/31/2017   14:41:07  ( -70.13, 136.04)    1.75                54
 08/31/2017   15:31:28   (  70.04, -56.46) 08/31/2017   15:31:51  (  70.02, -56.49)    2.02                23
 08/31/2017   16:21:12   ( -69.16, 109.98) 08/31/2017   16:22:19  ( -69.18, 112.06)   82.07                67
 09/03/2017   06:58:31   ( -70.11,-108.11) 09/03/2017   06:58:04  ( -70.12,-108.17)    2.32                27
 09/03/2017   07:47:58   (  70.00,  59.37) 09/03/2017   07:48:48  (  70.01,  59.30)    3.02                50
 09/05/2017   22:25:31   (  70.18,-159.77) 09/05/2017   22:24:18  (  70.16,-159.79)    2.73                73
 09/05/2017   23:15:01   ( -70.08,   7.72) 09/05/2017   23:15:00  ( -70.05,   7.69)    3.14                 1
 09/06/2017   00:04:30   (  69.85, 175.05) 09/06/2017   00:05:42  (  69.84, 175.32)   10.43                72
 09/08/2017   14:42:01   (  70.14, -43.95) 09/08/2017   14:41:15  (  70.15, -44.01)    2.47                46
 09/08/2017   15:31:31   ( -70.04, 123.54) 09/08/2017   15:31:57  ( -70.04, 123.47)    2.85                26