Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 23.  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)
 01/25/2019   14:41:43   ( -70.12, 135.98) 01/25/2019   14:41:05  ( -70.09, 136.03)    3.27                38
 01/25/2019   15:31:10   (  70.01, -56.52) 01/25/2019   15:31:50  (  70.04, -56.58)    3.31                40
 01/28/2019   06:08:36   (  70.52,  84.81) 01/28/2019   06:07:25  (  70.60,  83.69)   42.36                71
 01/28/2019   06:58:12   ( -70.08,-108.19) 01/28/2019   06:57:59  ( -70.08,-108.18)    0.36                13
 01/28/2019   07:47:39   (  69.97,  59.30) 01/28/2019   07:48:43  (  69.97,  59.30)    0.23                64
 01/30/2019   22:25:11   (  70.14,-159.85) 01/30/2019   22:24:11  (  70.17,-159.85)    2.30                60
 01/30/2019   23:14:41   ( -70.04,   7.64) 01/30/2019   23:14:53  ( -70.07,   7.61)    3.20                12
 01/31/2019   00:04:18   (  69.38, 174.37) 01/31/2019   00:05:26  (  69.38, 175.94)   61.55                68
 02/02/2019   14:41:39   (  70.10, -44.04) 02/02/2019   14:41:03  (  70.10, -43.99)    1.92                36
 02/02/2019   15:31:09   ( -70.00, 123.45) 02/02/2019   15:31:45  ( -70.01, 123.48)    1.38                36
 02/05/2019   06:08:32   ( -70.66, -94.98) 02/05/2019   06:07:22  ( -70.67, -96.42)   53.18                70
 02/05/2019   06:58:07   (  70.10,  71.86) 02/05/2019   06:57:57  (  70.10,  71.80)    2.37                10
 02/05/2019   07:47:38   ( -69.95,-120.73) 02/05/2019   07:48:38  ( -69.95,-120.66)    2.82                60