Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 10 27.  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)
 10/29/2017   06:09:00   ( -70.99, -94.49) 10/29/2017   06:07:53  ( -71.04, -96.98)   90.23                67
 10/29/2017   06:58:41   (  70.13,  71.86) 10/29/2017   06:58:22  (  70.13,  71.79)    2.78                19
 10/29/2017   07:48:11   ( -70.01,-120.67) 10/29/2017   07:49:03  ( -70.00,-120.69)    1.99                52
 10/31/2017   22:25:44   ( -70.17,  20.16) 10/31/2017   22:24:31  ( -70.15,  20.22)    3.00                73
 10/31/2017   23:15:11   (  70.06,-172.35) 10/31/2017   23:15:16  (  70.08,-172.37)    2.19                 5
 11/01/2017   00:04:43   ( -69.84,  -5.02) 11/01/2017   00:05:55  ( -69.84,  -4.69)   12.85                72
 11/03/2017   14:42:12   ( -70.16, 136.02) 11/03/2017   14:41:25  ( -70.15, 135.98)    1.73                47
 11/03/2017   15:31:39   (  70.05, -56.49) 11/03/2017   15:32:09  (  70.04, -56.54)    2.30                30
 11/06/2017   06:08:59   (  70.90,  85.38) 11/06/2017   06:07:51  (  70.94,  83.17)   80.39                68
 11/06/2017   06:58:42   ( -70.08,-108.20) 11/06/2017   06:58:19  ( -70.11,-108.19)    2.71                23
 11/06/2017   07:48:09   (  69.97,  59.29) 11/06/2017   07:49:03  (  69.99,  59.29)    2.50                54
 11/08/2017   22:25:41   (  70.16,-159.84) 11/08/2017   22:24:31  (  70.16,-159.82)    0.64                70
 11/08/2017   23:15:11   ( -70.06,   7.65) 11/08/2017   23:15:13  ( -70.07,   7.64)    0.64                 2
 11/09/2017   00:04:42   (  69.73, 174.83) 11/09/2017   00:05:53  (  69.74, 175.43)   23.43                71