Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 8.  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)
 10/08/2019   14:42:17   ( -70.19, 136.10) 10/08/2019   14:41:12  ( -70.17, 136.04)    3.28                65
 10/08/2019   15:31:45   (  70.04, -56.48) 10/08/2019   15:31:56  (  70.05, -56.47)    2.12                11
 10/08/2019   16:21:21   ( -69.59, 110.54) 10/08/2019   16:22:31  ( -69.60, 111.53)   38.23                70
 10/11/2019   06:58:48   ( -70.11,-108.14) 10/11/2019   06:58:06  ( -70.14,-108.14)    2.97                42
 10/11/2019   07:48:15   (  70.01,  59.36) 10/11/2019   07:48:50  (  70.02,  59.34)    2.10                35
 10/13/2019   22:25:37   (  70.74,-158.97) 10/13/2019   22:24:28  (  70.78,-160.71)   64.05                69
 10/13/2019   23:15:17   ( -70.08,   7.70) 10/13/2019   23:14:59  ( -70.11,   7.67)    3.27                18
 10/14/2019   00:04:44   (  69.97, 175.19) 10/14/2019   00:05:43  (  70.00, 175.15)    3.05                59
 10/16/2019   14:42:17   (  70.15, -43.95) 10/16/2019   14:41:11  (  70.18, -43.99)    2.96                66
 10/16/2019   15:31:47   ( -70.05, 123.53) 10/16/2019   15:31:52  ( -70.03, 123.56)    2.20                 5
 10/16/2019   16:21:20   (  69.61, -69.44) 10/16/2019   16:22:30  (  69.60, -68.50)   36.42                70
 10/19/2019   06:58:47   (  70.11,  71.87) 10/19/2019   06:58:04  (  70.10,  71.90)    1.61                43
 10/19/2019   07:48:17   ( -70.01,-120.65) 10/19/2019   07:48:46  ( -70.01,-120.64)    0.42                29
 10/21/2019   22:25:36   ( -70.94,  21.34) 10/21/2019   22:24:29  ( -70.97,  18.96)   86.43                67
 10/21/2019   23:15:17   (  70.07,-172.31) 10/21/2019   23:14:58  (  70.08,-172.30)    1.48                19
 10/22/2019   00:04:47   ( -69.97,  -4.83) 10/22/2019   00:05:40  ( -69.98,  -4.84)    2.12                53