Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 10 22.  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)
 10/23/2017   22:25:43   (  70.17,-159.83) 10/23/2017   22:24:34  (  70.19,-159.84)    2.73                69
 10/23/2017   23:15:13   ( -70.05,   7.64) 10/23/2017   23:15:15  ( -70.06,   7.68)    1.86                 2
 10/24/2017   00:04:44   (  69.73, 174.83) 10/24/2017   00:05:55  (  69.72, 175.49)   25.48                71
 10/26/2017   14:42:12   (  70.12, -44.03) 10/26/2017   14:41:27  (  70.14, -43.99)    2.53                45
 10/26/2017   15:31:41   ( -70.06, 123.53) 10/26/2017   15:32:09  ( -70.06, 123.45)    3.00                28
 10/29/2017   06:09:00   ( -70.99, -94.49) 10/29/2017   06:07:53  ( -71.04, -96.99)   90.72                67
 10/29/2017   06:58:41   (  70.12,  71.85) 10/29/2017   06:58:21  (  70.09,  71.85)    3.43                20
 10/29/2017   07:48:11   ( -70.01,-120.67) 10/29/2017   07:49:03  ( -70.00,-120.70)    1.60                52
 10/31/2017   22:25:44   ( -70.17,  20.16) 10/31/2017   22:24:31  ( -70.16,  20.21)    2.14                73
 10/31/2017   23:15:11   (  70.06,-172.35) 10/31/2017   23:15:15  (  70.04,-172.31)    2.55                 4
 11/01/2017   00:04:43   ( -69.84,  -5.02) 11/01/2017   00:05:55  ( -69.85,  -4.70)   12.27                72
 11/03/2017   14:42:13   ( -70.16, 136.03) 11/03/2017   14:41:26  ( -70.16, 135.97)    2.42                47
 11/03/2017   15:31:40   (  70.05, -56.49) 11/03/2017   15:32:10  (  70.05, -56.55)    2.64                30