Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 9 25.  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)
 09/25/2019   06:58:44   ( -70.11,-108.12) 09/25/2019   06:58:08  ( -70.10,-108.17)    2.38                36
 09/25/2019   07:48:11   (  70.01,  59.37) 09/25/2019   07:48:52  (  69.99,  59.31)    3.31                41
 09/27/2019   22:25:39   (  70.49,-159.34) 09/27/2019   22:24:28  (  70.57,-160.44)   41.97                71
 09/27/2019   23:15:15   ( -70.05,   7.67) 09/27/2019   23:15:02  ( -70.05,   7.69)    0.97                13
 09/28/2019   00:04:42   (  69.94, 175.16) 09/28/2019   00:05:46  (  69.94, 175.16)    0.72                64
 09/30/2019   14:42:15   (  70.15, -43.95) 09/30/2019   14:41:15  (  70.15, -44.01)    2.19                60
 09/30/2019   15:31:45   ( -70.04, 123.53) 09/30/2019   15:31:57  ( -70.05, 123.46)    2.93                12
 09/30/2019   16:21:22   (  69.38, -69.73) 09/30/2019   16:22:31  (  69.41, -68.29)   56.55                69
 10/03/2019   06:58:46   (  70.08,  71.82) 10/03/2019   06:58:09  (  70.10,  71.83)    2.99                37
 10/03/2019   07:48:15   ( -69.97,-120.69) 10/03/2019   07:48:50  ( -70.00,-120.70)    3.18                35
 10/05/2019   22:25:39   ( -70.66,  20.92) 10/05/2019   22:24:29  ( -70.74,  19.29)   60.28                70
 10/05/2019   23:15:15   (  70.06,-172.32) 10/05/2019   23:15:02  (  70.06,-172.32)    0.11                13
 10/06/2019   00:04:45   ( -69.96,  -4.83) 10/06/2019   00:05:44  ( -69.96,  -4.85)    0.69                59
 10/08/2019   14:42:18   ( -70.15, 136.04) 10/08/2019   14:41:13  ( -70.17, 135.97)    3.43                65
 10/08/2019   15:31:45   (  70.04, -56.47) 10/08/2019   15:31:56  (  70.02, -56.48)    2.25                11
 10/08/2019   16:21:21   ( -69.61, 110.56) 10/08/2019   16:22:32  ( -69.60, 111.46)   34.83                71