Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 7.  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)
 01/09/2019   14:41:47   ( -70.13, 136.01) 01/09/2019   14:41:11  ( -70.11, 135.99)    2.41                36
 01/09/2019   15:31:14   (  70.03, -56.49) 01/09/2019   15:31:55  (  70.01, -56.54)    2.82                41
 01/12/2019   06:08:40   (  70.50,  84.79) 01/12/2019   06:07:29  (  70.56,  83.75)   39.19                71
 01/12/2019   06:58:16   ( -70.06,-108.21) 01/12/2019   06:58:04  ( -70.09,-108.20)    2.65                12
 01/12/2019   07:47:43   (  69.95,  59.28) 01/12/2019   07:48:48  (  69.98,  59.27)    3.37                65
 01/14/2019   22:25:15   (  70.15,-159.84) 01/14/2019   22:24:16  (  70.17,-159.86)    2.25                59
 01/14/2019   23:14:45   ( -70.05,   7.65) 01/14/2019   23:14:58  ( -70.06,   7.61)    2.43                13
 01/15/2019   00:04:22   (  69.38, 174.38) 01/15/2019   00:05:31  (  69.38, 175.93)   60.70                69
 01/17/2019   14:41:44   (  70.12, -43.99) 01/17/2019   14:41:09  (  70.09, -43.98)    3.38                35
 01/17/2019   15:31:14   ( -70.02, 123.50) 01/17/2019   15:31:52  ( -70.04, 123.42)    3.64                38
 01/20/2019   06:08:39   ( -70.60, -95.07) 01/20/2019   06:07:28  ( -70.65, -96.39)   48.90                71
 01/20/2019   06:58:13   (  70.10,  71.85) 01/20/2019   06:58:03  (  70.08,  71.82)    2.59                10
 01/20/2019   07:47:44   ( -69.94,-120.74) 01/20/2019   07:48:45  ( -69.97,-120.70)    3.13                61