Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 9 24.  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)
 09/27/2017   06:08:57   ( -70.86, -94.67) 09/27/2017   06:07:49  ( -70.88, -96.75)   75.98                68
 09/27/2017   06:58:36   (  70.10,  71.85) 09/27/2017   06:58:20  (  70.08,  71.84)    2.69                16
 09/27/2017   07:48:06   ( -69.99,-120.67) 09/27/2017   07:49:02  ( -70.00,-120.72)    1.88                56
 09/29/2017   22:25:40   ( -70.16,  20.17) 09/29/2017   22:24:32  ( -70.17,  20.17)    0.71                68
 09/29/2017   23:15:07   (  70.05,-172.34) 09/29/2017   23:15:16  (  70.04,-172.34)    1.47                 9
 09/30/2017   00:04:42   ( -69.67,  -5.24) 09/30/2017   00:05:53  ( -69.69,  -4.50)   28.66                71
 10/02/2017   14:42:10   ( -70.11, 135.98) 10/02/2017   14:41:27  ( -70.13, 135.99)    2.25                43
 10/02/2017   15:31:37   (  70.00, -56.53) 10/02/2017   15:32:11  (  70.01, -56.52)    0.83                34
 10/05/2017   06:09:01   (  70.71,  85.10) 10/05/2017   06:07:52  (  70.76,  83.43)   61.61                69
 10/05/2017   06:58:40   ( -70.11,-108.14) 10/05/2017   06:58:23  ( -70.10,-108.19)    2.37                17
 10/05/2017   07:48:07   (  70.00,  59.34) 10/05/2017   07:49:07  (  69.98,  59.30)    3.10                60
 10/07/2017   22:25:41   (  70.15,-159.84) 10/07/2017   22:24:37  (  70.16,-159.84)    0.56                64
 10/07/2017   23:15:11   ( -70.05,   7.65) 10/07/2017   23:15:19  ( -70.07,   7.62)    2.13                 8
 10/08/2017   00:04:45   (  69.55, 174.60) 10/08/2017   00:05:55  (  69.53, 175.74)   44.11                70