Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 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)
 06/12/2018   23:13:45   (  70.04,-172.29) 06/12/2018   23:14:34  (  70.06,-172.30)    2.63                49
 06/15/2018   13:51:18   (  70.31, -31.31) 06/15/2018   13:50:05  (  70.38, -31.64)   14.68                73
 06/15/2018   14:40:49   ( -70.14, 136.09) 06/15/2018   14:40:44  ( -70.14, 136.05)    1.47                 5
 06/15/2018   15:30:16   (  70.04, -56.42) 06/15/2018   15:31:28  (  70.02, -56.45)    2.72                72
 06/18/2018   06:07:51   (  70.19,  84.40) 06/18/2018   06:06:56  (  70.18,  84.46)    2.77                55
 06/18/2018   06:57:20   ( -70.09,-108.12) 06/18/2018   06:57:37  ( -70.10,-108.10)    1.10                17
 06/18/2018   07:47:01   (  69.20,  58.32) 06/18/2018   07:48:07  (  69.23,  60.48)   85.23                66
 06/20/2018   22:24:21   (  70.18,-159.74) 06/20/2018   22:23:50  (  70.18,-159.78)    1.73                31
 06/20/2018   23:13:52   ( -70.03,   7.67) 06/20/2018   23:14:31  ( -70.05,   7.74)    3.58                39
 06/23/2018   13:51:19   ( -70.61, 149.13) 06/23/2018   13:50:08  ( -70.68, 147.90)   46.00                71
 06/23/2018   14:40:53   (  70.11, -43.95) 06/23/2018   14:40:44  (  70.14, -43.94)    2.94                 9
 06/23/2018   15:30:23   ( -70.02, 123.54) 06/23/2018   15:31:25  ( -70.00, 123.59)    2.39                62
 06/26/2018   06:07:57   ( -70.22, -95.58) 06/26/2018   06:06:54  ( -70.22, -95.59)    0.53                63
 06/26/2018   06:57:24   (  70.10,  71.90) 06/26/2018   06:57:38  (  70.10,  71.90)    0.13                14
 06/26/2018   07:47:02   ( -69.56,-121.21) 06/26/2018   07:48:12  ( -69.59,-120.02)   46.18                70