Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 5 30.  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)
 06/01/2017   22:25:00   (  70.23,-159.69) 06/01/2017   22:23:47  (  70.22,-159.84)    5.45                73
 06/01/2017   23:14:31   ( -70.06,   7.70) 06/01/2017   23:14:27  ( -70.04,   7.76)    3.06                 4
 06/02/2017   00:03:59   (  69.91, 175.13) 06/02/2017   00:05:11  (  69.91, 175.27)    5.40                72
 06/04/2017   14:41:32   (  70.14, -43.94) 06/04/2017   14:40:41  (  70.17, -43.98)    3.26                51
 06/04/2017   15:31:02   ( -70.03, 123.54) 06/04/2017   15:31:22  ( -70.04, 123.54)    0.83                20
 06/04/2017   16:20:45   (  69.04, -70.16) 06/04/2017   16:21:50  (  69.06, -67.73)   96.49                65
 06/07/2017   06:58:02   (  70.10,  71.88) 06/07/2017   06:57:34  (  70.12,  71.88)    1.44                28
 06/07/2017   07:47:32   ( -70.00,-120.64) 06/07/2017   07:48:15  ( -69.98,-120.60)    1.88                43
 06/09/2017   22:25:01   ( -70.44,  20.61) 06/09/2017   22:23:49  ( -70.45,  19.82)   29.45                72
 06/09/2017   23:14:33   (  70.06,-172.30) 06/09/2017   23:14:28  (  70.07,-172.27)    1.21                 5
 06/10/2017   00:04:03   ( -69.96,  -4.81) 06/10/2017   00:05:10  ( -69.98,  -4.83)    3.19                67
 06/12/2017   14:41:37   ( -70.12, 136.03) 06/12/2017   14:40:38  ( -70.14, 136.08)    2.61                59
 06/12/2017   15:31:04   (  70.01, -56.49) 06/12/2017   15:31:22  (  70.02, -56.43)    2.33                18