Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 9 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)
 09/24/2018   22:25:05   (  70.18,-159.75) 09/24/2018   22:24:27  (  70.18,-159.83)    2.87                38
 09/24/2018   23:14:36   ( -70.02,   7.65) 09/24/2018   23:15:08  ( -70.04,   7.71)    3.37                32
 09/27/2018   13:51:59   ( -70.81, 149.41) 09/27/2018   13:50:50  ( -70.85, 147.56)   67.84                69
 09/27/2018   14:41:37   (  70.10, -43.99) 09/27/2018   14:41:22  (  70.11, -43.95)    1.79                15
 09/27/2018   15:31:07   ( -70.00, 123.50) 09/27/2018   15:32:04  ( -70.02, 123.51)    2.21                57
 09/30/2018   06:08:41   ( -70.19, -95.64) 09/30/2018   06:07:34  ( -70.21, -95.63)    1.84                67
 09/30/2018   06:58:07   (  70.08,  71.85) 09/30/2018   06:58:17  (  70.09,  71.85)    1.78                10
 09/30/2018   07:47:42   ( -69.70,-121.04) 09/30/2018   07:48:53  ( -69.68,-120.21)   32.04                71
 10/02/2018   22:25:11   ( -70.16,  20.20) 10/02/2018   22:24:29  ( -70.19,  20.17)    3.08                42
 10/02/2018   23:14:38   (  70.05,-172.31) 10/02/2018   23:15:12  (  70.02,-172.27)    3.06                34
 10/05/2018   13:52:02   (  70.78, -30.64) 10/05/2018   13:50:53  (  70.80, -32.35)   62.66                69
 10/05/2018   14:41:42   ( -70.13, 136.04) 10/05/2018   14:41:24  ( -70.12, 136.04)    1.55                18
 10/05/2018   15:31:09   (  70.02, -56.48) 10/05/2018   15:32:08  (  70.01, -56.48)    0.67                59