Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 19.  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)
 01/20/2019   06:08:38   ( -70.58, -95.11) 01/20/2019   06:07:27  ( -70.64, -96.39)   47.86                71
 01/20/2019   06:58:12   (  70.09,  71.83) 01/20/2019   06:58:02  (  70.06,  71.84)    3.09                10
 01/20/2019   07:47:42   ( -69.98,-120.69) 01/20/2019   07:48:44  ( -69.97,-120.70)    1.47                62
 01/22/2019   22:25:14   ( -70.17,  20.17) 01/22/2019   22:24:12  ( -70.16,  20.16)    1.15                62
 01/22/2019   23:14:41   (  70.06,-172.34) 01/22/2019   23:14:56  (  70.05,-172.37)    1.27                15
 01/23/2019   00:04:20   ( -69.45,  -5.54) 01/23/2019   00:05:29  ( -69.48,  -4.20)   52.06                69
 01/25/2019   14:41:43   ( -70.13, 136.00) 01/25/2019   14:41:06  ( -70.14, 135.96)    1.92                37
 01/25/2019   15:31:10   (  70.02, -56.52) 01/25/2019   15:31:50  (  70.03, -56.57)    2.74                40
 01/28/2019   06:08:36   (  70.52,  84.82) 01/28/2019   06:07:25  (  70.59,  83.70)   42.22                71
 01/28/2019   06:58:12   ( -70.09,-108.18) 01/28/2019   06:57:59  ( -70.07,-108.17)    2.01                13
 01/28/2019   07:47:39   (  69.98,  59.31) 01/28/2019   07:48:43  (  69.97,  59.30)    0.96                64
 01/30/2019   22:25:10   (  70.15,-159.85) 01/30/2019   22:24:10  (  70.16,-159.85)    1.44                60
 01/30/2019   23:14:40   ( -70.05,   7.65) 01/30/2019   23:14:52  ( -70.06,   7.62)    1.62                12
 01/31/2019   00:04:17   (  69.38, 174.37) 01/31/2019   00:05:25  (  69.37, 175.95)   61.59                68