Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 12.  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)
 01/12/2019   06:08:40   (  70.49,  84.78) 01/12/2019   06:07:29  (  70.56,  83.75)   38.84                71
 01/12/2019   06:58:15   ( -70.11,-108.14) 01/12/2019   06:58:04  ( -70.09,-108.21)    3.23                11
 01/12/2019   07:47:43   (  69.95,  59.27) 01/12/2019   07:48:47  (  69.93,  59.35)    3.53                64
 01/14/2019   22:25:15   (  70.14,-159.85) 01/14/2019   22:24:16  (  70.17,-159.87)    2.89                59
 01/14/2019   23:14:45   ( -70.04,   7.63) 01/14/2019   23:14:57  ( -70.02,   7.68)    3.07                12
 01/15/2019   00:04:22   (  69.37, 174.37) 01/15/2019   00:05:31  (  69.38, 175.93)   61.17                69
 01/17/2019   14:41:44   (  70.12, -44.01) 01/17/2019   14:41:09  (  70.10, -43.98)    2.54                35
 01/17/2019   15:31:14   ( -70.02, 123.48) 01/17/2019   15:31:51  ( -70.00, 123.49)    2.39                37
 01/20/2019   06:08:39   ( -70.59, -95.08) 01/20/2019   06:07:28  ( -70.65, -96.40)   49.15                71
 01/20/2019   06:58:13   (  70.09,  71.84) 01/20/2019   06:58:03  (  70.08,  71.81)    1.42                10
 01/20/2019   07:47:43   ( -69.99,-120.67) 01/20/2019   07:48:45  ( -69.98,-120.71)    2.40                62
 01/22/2019   22:25:14   ( -70.18,  20.20) 01/22/2019   22:24:12  ( -70.17,  20.15)    2.66                62
 01/22/2019   23:14:41   (  70.06,-172.33) 01/22/2019   23:14:56  (  70.06,-172.39)    2.52                15
 01/23/2019   00:04:19   ( -69.53,  -5.43) 01/23/2019   00:05:29  ( -69.49,  -4.22)   47.56                70
 01/25/2019   14:41:44   ( -70.10, 135.96) 01/25/2019   14:41:05  ( -70.10, 136.02)    2.35                39
 01/25/2019   15:31:10   (  70.03, -56.49) 01/25/2019   15:31:49  (  70.00, -56.52)    3.26                39