Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 25.  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   (  70.09,  71.85) 08/26/2017   06:57:59  (  70.11,  71.85)    2.86                30
 08/26/2017   07:47:59   ( -69.98,-120.67) 08/26/2017   07:48:40  ( -69.96,-120.61)    2.98                41
 08/28/2017   22:25:28   ( -70.38,  20.52) 08/28/2017   22:24:16  ( -70.42,  19.83)   25.90                72
 08/28/2017   23:14:59   (  70.06,-172.31) 08/28/2017   23:14:55  (  70.05,-172.29)    1.64                 4
 08/29/2017   00:04:29   ( -69.95,  -4.83) 08/29/2017   00:05:37  ( -69.95,  -4.82)    0.69                68
 08/31/2017   14:42:01   ( -70.14, 136.04) 08/31/2017   14:41:07  ( -70.14, 136.02)    0.78                54
 08/31/2017   15:31:28   (  70.02, -56.48) 08/31/2017   15:31:51  (  70.03, -56.50)    1.55                23
 08/31/2017   16:21:12   ( -69.15, 109.97) 08/31/2017   16:22:19  ( -69.19, 112.04)   82.08                67
 09/03/2017   06:58:31   ( -70.10,-108.13) 09/03/2017   06:58:03  ( -70.08,-108.12)    2.57                28
 09/03/2017   07:47:58   (  69.99,  59.35) 09/03/2017   07:48:47  (  69.97,  59.35)    1.52                49
 09/05/2017   22:25:31   (  70.16,-159.80) 09/05/2017   22:24:18  (  70.18,-159.82)    1.98                73
 09/05/2017   23:15:01   ( -70.06,   7.69) 09/05/2017   23:15:00  ( -70.07,   7.66)    1.68                 1
 09/06/2017   00:04:30   (  69.83, 175.02) 09/06/2017   00:05:42  (  69.86, 175.29)   10.64                72