Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 4.  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)
 10/05/2019   22:25:39   ( -70.68,  20.94) 10/05/2019   22:24:29  ( -70.76,  19.34)   59.45                70
 10/05/2019   23:15:15   (  70.08,-172.29) 10/05/2019   23:15:02  (  70.07,-172.26)    1.74                13
 10/06/2019   00:04:45   ( -69.97,  -4.81) 10/06/2019   00:05:44  ( -69.98,  -4.81)    0.49                59
 10/08/2019   14:42:17   ( -70.17, 136.06) 10/08/2019   14:41:11  ( -70.15, 136.08)    2.09                66
 10/08/2019   15:31:44   (  70.06, -56.44) 10/08/2019   15:31:55  (  70.04, -56.45)    2.42                11
 10/08/2019   16:21:20   ( -69.62, 110.58) 10/08/2019   16:22:31  ( -69.63, 111.48)   34.82                71
 10/11/2019   06:58:47   ( -70.14,-108.09) 10/11/2019   06:58:05  ( -70.12,-108.11)    2.85                42
 10/11/2019   07:48:14   (  70.03,  59.40) 10/11/2019   07:48:49  (  70.01,  59.37)    2.99                35
 10/13/2019   22:25:38   (  70.71,-159.01) 10/13/2019   22:24:29  (  70.81,-160.77)   65.52                69
 10/13/2019   23:15:17   ( -70.11,   7.74) 10/13/2019   23:14:59  ( -70.09,   7.70)    3.22                18
 10/14/2019   00:04:44   (  70.00, 175.23) 10/14/2019   00:05:43  (  69.98, 175.18)    3.25                59
 10/16/2019   14:42:17   (  70.18, -43.91) 10/16/2019   14:41:11  (  70.16, -43.96)    3.11                66
 10/16/2019   15:31:47   ( -70.08, 123.58) 10/16/2019   15:31:53  ( -70.06, 123.51)    3.25                 6
 10/16/2019   16:21:20   (  69.63, -69.39) 10/16/2019   16:22:31  (  69.63, -68.55)   32.83                71