Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 1 10.  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)
 01/11/2018   22:25:23   (  70.48,-159.39) 01/11/2018   22:24:12  (  70.55,-160.42)   38.72                71
 01/11/2018   23:14:58   ( -70.09,   7.67) 01/11/2018   23:14:47  ( -70.09,   7.62)    2.21                11
 01/12/2018   00:04:26   (  69.94, 175.10) 01/12/2018   00:05:30  (  69.92, 175.18)    3.53                64
 01/14/2018   14:41:57   (  70.14, -44.00) 01/14/2018   14:40:58  (  70.15, -44.02)    0.68                59
 01/14/2018   15:31:27   ( -70.03, 123.47) 01/14/2018   15:31:39  ( -70.01, 123.52)    3.34                12
 01/14/2018   16:21:05   (  69.32, -69.86) 01/14/2018   16:22:13  (  69.36, -68.22)   64.30                68
 01/17/2018   06:58:25   (  70.13,  71.86) 01/17/2018   06:57:51  (  70.12,  71.80)    2.16                34
 01/17/2018   07:47:55   ( -70.02,-120.67) 01/17/2018   07:48:33  ( -70.03,-120.74)    3.12                38
 01/19/2018   22:25:19   ( -70.60,  20.78) 01/19/2018   22:24:09  ( -70.68,  19.39)   52.14                70
 01/19/2018   23:14:54   (  70.05,-172.37) 01/19/2018   23:14:43  (  70.04,-172.30)    2.64                11
 01/20/2018   00:04:24   ( -69.95,  -4.89) 01/20/2018   00:05:25  ( -69.95,  -4.85)    1.64                61
 01/22/2018   14:41:54   ( -70.14, 136.00) 01/22/2018   14:40:51  ( -70.13, 136.03)    1.79                63
 01/22/2018   15:31:21   (  70.03, -56.52) 01/22/2018   15:31:35  (  70.02, -56.49)    1.27                14
 01/22/2018   16:20:59   ( -69.48, 110.37) 01/22/2018   16:22:09  ( -69.50, 111.59)   47.66                70