Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 3.  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)
 07/04/2018   06:08:00   (  70.19,  84.39) 07/04/2018   06:06:53  (  70.19,  84.45)    2.39                67
 07/04/2018   06:57:29   ( -70.13,-108.06) 07/04/2018   06:57:35  ( -70.12,-108.11)    2.46                 6
 07/04/2018   07:47:03   (  69.65,  58.91) 07/04/2018   07:48:13  (  69.67,  59.87)   37.29                70
 07/06/2018   22:24:31   (  70.16,-159.77) 07/06/2018   22:23:47  (  70.16,-159.72)    2.00                44
 07/06/2018   23:14:00   ( -70.10,   7.78) 07/06/2018   23:14:29  ( -70.09,   7.72)    3.27                29
 07/09/2018   13:51:20   ( -71.05, 149.80) 07/09/2018   13:50:13  ( -71.09, 147.24)   92.53                67
 07/09/2018   14:41:01   (  70.12, -43.94) 07/09/2018   14:40:40  (  70.13, -43.90)    1.85                21
 07/09/2018   15:30:31   ( -70.02, 123.54) 07/09/2018   15:31:22  ( -70.05, 123.54)    3.66                51
 07/12/2018   06:08:04   ( -70.25, -95.52) 07/12/2018   06:06:51  ( -70.28, -95.65)    5.62                73
 07/12/2018   06:57:32   (  70.09,  71.89) 07/12/2018   06:57:34  (  70.11,  71.92)    2.33                 2
 07/12/2018   07:47:02   ( -69.99,-120.63) 07/12/2018   07:48:15  ( -69.97,-120.55)    3.45                73
 07/14/2018   22:24:35   ( -70.22,  20.31) 07/14/2018   22:23:44  ( -70.19,  20.25)    3.20                51
 07/14/2018   23:14:02   (  70.10,-172.21) 07/14/2018   23:14:28  (  70.08,-172.27)    3.36                26
 07/15/2018   00:03:48   ( -69.12,  -5.91) 07/15/2018   00:04:54  ( -69.14,  -3.58)   92.50                66
 07/17/2018   14:41:06   ( -70.18, 136.13) 07/17/2018   14:40:38  ( -70.17, 136.07)    2.52                28
 07/17/2018   15:30:33   (  70.06, -56.39) 07/17/2018   15:31:22  (  70.06, -56.45)    2.52                49