Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 12 20.  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)
 12/22/2019   06:58:39   (  70.13,  71.89) 12/22/2019   06:57:32  (  70.11,  71.89)    3.19                67
 12/22/2019   07:48:09   ( -70.03,-120.63) 12/22/2019   07:48:14  ( -70.02,-120.65)    1.55                 5
 12/22/2019   08:37:42   (  69.59,  46.41) 12/22/2019   08:38:52  (  69.58,  47.30)   34.52                70
 12/24/2019   23:15:08   (  70.10,-172.28) 12/24/2019   23:14:25  (  70.09,-172.31)    1.34                43
 12/25/2019   00:04:38   ( -69.99,  -4.79) 12/25/2019   00:05:07  ( -70.00,  -4.85)    2.08                29
 12/27/2019   14:41:55   ( -70.93, 137.20) 12/27/2019   14:40:48  ( -70.97, 134.76)   88.84                67
 12/27/2019   15:31:36   (  70.06, -56.46) 12/27/2019   15:31:17  (  70.08, -56.51)    3.02                19
 12/27/2019   16:21:06   ( -69.96, 111.03) 12/27/2019   16:21:58  ( -69.93, 111.03)    3.26                52
 12/30/2019   06:58:38   ( -70.13,-108.12) 12/30/2019   06:57:25  ( -70.11,-108.10)    1.66                73
 12/30/2019   07:48:05   (  70.01,  59.36) 12/30/2019   07:48:09  (  70.01,  59.36)    0.32                 4
 12/30/2019   08:37:37   ( -69.80,-133.30) 12/30/2019   08:38:49  ( -69.81,-133.01)   11.00                72
 01/01/2020   23:15:07   ( -70.08,   7.70) 01/01/2020   23:14:18  ( -70.10,   7.69)    2.52                49
 01/02/2020   00:04:34   (  69.96, 175.17) 01/02/2020   00:05:01  (  69.95, 175.23)    2.48                27