Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 9 17.  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)
 09/18/2016   22:25:36   (  70.33,-159.56) 09/18/2016   22:24:24  (  70.40,-160.05)   19.75                72
 09/18/2016   23:15:08   ( -70.11,   7.75) 09/18/2016   23:15:02  ( -70.11,   7.72)    1.22                 6
 09/19/2016   00:04:35   (  70.01, 175.25) 09/19/2016   00:05:46  (  69.98, 175.23)    3.28                71
 09/21/2016   14:42:07   (  70.17, -43.91) 09/21/2016   14:41:17  (  70.19, -43.96)    2.59                50
 09/21/2016   15:31:37   ( -70.06, 123.57) 09/21/2016   15:31:58  ( -70.06, 123.56)    1.07                21
 09/21/2016   16:21:20   (  69.07, -70.13) 09/21/2016   16:22:26  (  69.07, -67.71)   96.08                66
 09/24/2016   06:58:37   (  70.12,  71.90) 09/24/2016   06:58:14  (  70.14,  71.87)    2.25                23
 09/24/2016   07:48:07   ( -70.01,-120.62) 09/24/2016   07:48:55  ( -70.00,-120.60)    1.25                48
 09/26/2016   22:25:39   ( -70.23,  20.29) 09/26/2016   22:24:27  ( -70.22,  20.20)    3.44                72
 09/26/2016   23:15:07   (  70.06,-172.30) 09/26/2016   23:15:11  (  70.09,-172.30)    3.51                 4
 09/27/2016   00:04:38   ( -69.90,  -4.89) 09/27/2016   00:05:51  ( -69.90,  -4.69)    7.67                73
 09/29/2016   14:42:09   ( -70.17, 136.08) 09/29/2016   14:41:24  ( -70.17, 136.03)    2.11                45
 09/29/2016   15:31:36   (  70.05, -56.43) 09/29/2016   15:32:08  (  70.05, -56.47)    1.42                32