Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 10 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)
 10/31/2017   22:25:43   ( -70.20,  20.20) 10/31/2017   22:24:31  ( -70.17,  20.18)    2.98                72
 10/31/2017   23:15:11   (  70.04,-172.38) 10/31/2017   23:15:15  (  70.05,-172.32)    2.11                 4
 11/01/2017   00:04:42   ( -69.87,  -4.98) 11/01/2017   00:05:55  ( -69.86,  -4.72)    9.88                73
 11/03/2017   14:42:13   ( -70.13, 135.99) 11/03/2017   14:41:25  ( -70.12, 136.02)    1.84                48
 11/03/2017   15:31:40   (  70.03, -56.51) 11/03/2017   15:32:10  (  70.05, -56.56)    3.27                30
 11/06/2017   06:09:00   (  70.89,  85.36) 11/06/2017   06:07:52  (  70.95,  83.14)   80.72                68
 11/06/2017   06:58:42   ( -70.12,-108.15) 11/06/2017   06:58:20  ( -70.13,-108.22)    2.72                22
 11/06/2017   07:48:09   (  70.01,  59.34) 11/06/2017   07:49:04  (  70.01,  59.27)    2.87                55
 11/08/2017   22:25:41   (  70.15,-159.86) 11/08/2017   22:24:31  (  70.17,-159.84)    2.70                70
 11/08/2017   23:15:11   ( -70.05,   7.63) 11/08/2017   23:15:12  ( -70.03,   7.70)    3.28                 1
 11/09/2017   00:04:41   (  69.77, 174.89) 11/09/2017   00:05:53  (  69.76, 175.41)   20.37                72
 11/11/2017   14:42:10   (  70.12, -44.01) 11/11/2017   14:41:25  (  70.14, -44.01)    1.44                45
 11/11/2017   15:31:40   ( -70.02, 123.47) 11/11/2017   15:32:07  ( -70.04, 123.45)    2.22                27