Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 5 12.  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)
 05/14/2017   06:08:11   (  70.68,  85.11) 05/14/2017   06:07:01  (  70.74,  83.57)   57.00                70
 05/14/2017   06:57:49   ( -70.13,-108.07) 05/14/2017   06:57:33  ( -70.12,-108.14)    2.98                16
 05/14/2017   07:47:17   (  69.97,  59.36) 05/14/2017   07:48:17  (  70.00,  59.35)    3.34                60
 05/16/2017   22:24:51   (  70.19,-159.74) 05/16/2017   22:23:46  (  70.19,-159.79)    1.75                65
 05/16/2017   23:14:21   ( -70.08,   7.74) 05/16/2017   23:14:27  ( -70.05,   7.74)    3.17                 6
 05/17/2017   00:03:55   (  69.59, 174.70) 05/17/2017   00:05:05  (  69.61, 175.71)   39.08                70
 05/19/2017   14:41:23   (  70.13, -43.95) 05/19/2017   14:40:40  (  70.12, -43.91)    2.07                43
 05/19/2017   15:30:53   ( -70.02, 123.53) 05/19/2017   15:31:22  ( -70.03, 123.55)    0.87                29
 05/22/2017   06:08:14   ( -70.94, -94.51) 05/22/2017   06:07:06  ( -71.00, -96.87)   85.76                68
 05/22/2017   06:57:54   (  70.12,  71.92) 05/22/2017   06:57:35  (  70.10,  71.89)    2.43                19
 05/22/2017   07:47:24   ( -70.02,-120.60) 05/22/2017   07:48:17  ( -70.01,-120.65)    2.34                53
 05/24/2017   22:24:58   ( -70.17,  20.21) 05/24/2017   22:23:45  ( -70.20,  20.20)    3.77                73
 05/24/2017   23:14:25   (  70.05,-172.30) 05/24/2017   23:14:29  (  70.08,-172.31)    3.47                 4
 05/25/2017   00:03:56   ( -69.90,  -4.89) 05/25/2017   00:05:09  ( -69.89,  -4.70)    7.25                73