Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 12 11.  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)
 12/11/2019   14:42:04   ( -70.68, 136.80) 12/11/2019   14:40:55  ( -70.74, 135.11)   62.33                69
 12/11/2019   15:31:41   (  70.02, -56.51) 12/11/2019   15:31:28  (  70.04, -56.48)    1.97                13
 12/11/2019   16:21:11   ( -69.91, 110.97) 12/11/2019   16:22:09  ( -69.90, 111.04)    2.96                58
 12/14/2019   06:58:43   ( -70.12,-108.14) 12/14/2019   06:57:37  ( -70.13,-108.15)    1.31                66
 12/14/2019   07:48:10   (  70.01,  59.35) 12/14/2019   07:48:21  (  70.01,  59.34)    0.83                11
 12/14/2019   08:37:45   ( -69.57,-133.62) 12/14/2019   08:38:56  ( -69.61,-132.75)   33.95                71
 12/16/2019   23:15:11   ( -70.10,   7.72) 12/16/2019   23:14:29  ( -70.10,   7.67)    2.06                42
 12/17/2019   00:04:38   (  69.99, 175.21) 12/17/2019   00:05:13  (  69.99, 175.15)    2.35                35
 12/19/2019   14:42:00   (  70.73, -43.10) 12/19/2019   14:40:51  (  70.75, -44.90)   65.99                69
 12/19/2019   15:31:41   ( -70.03, 123.50) 12/19/2019   15:31:21  ( -70.02, 123.56)    2.64                20
 12/19/2019   16:21:08   (  69.92, -69.02) 12/19/2019   16:22:05  (  69.91, -68.96)    2.06                57
 12/22/2019   06:58:40   (  70.11,  71.85) 12/22/2019   06:57:32  (  70.10,  71.91)    2.26                68
 12/22/2019   07:48:10   ( -70.01,-120.65) 12/22/2019   07:48:14  ( -70.00,-120.62)    1.64                 4
 12/22/2019   08:37:42   (  69.61,  46.45) 12/22/2019   08:38:53  (  69.63,  47.23)   30.46                71
 12/24/2019   23:15:09   (  70.08,-172.30) 12/24/2019   23:14:25  (  70.08,-172.29)    0.58                44
 12/25/2019   00:04:39   ( -69.98,  -4.81) 12/25/2019   00:05:07  ( -69.98,  -4.82)    1.03                28