Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 6.  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)
 07/06/2018   22:24:30   (  70.18,-159.74) 07/06/2018   22:23:47  (  70.19,-159.77)    1.85                43
 07/06/2018   23:14:00   ( -70.07,   7.73) 07/06/2018   23:14:28  ( -70.07,   7.75)    0.56                28
 07/09/2018   13:51:19   ( -71.06, 149.83) 07/09/2018   13:50:12  ( -71.07, 147.27)   92.24                67
 07/09/2018   14:41:01   (  70.15, -43.91) 07/09/2018   14:40:41  (  70.16, -43.95)    2.51                20
 07/09/2018   15:30:31   ( -70.04, 123.57) 07/09/2018   15:31:22  ( -70.03, 123.57)    0.34                51
 07/12/2018   06:08:04   ( -70.27, -95.50) 07/12/2018   06:06:51  ( -70.26, -95.62)    4.85                73
 07/12/2018   06:57:32   (  70.11,  71.92) 07/12/2018   06:57:34  (  70.08,  71.95)    3.03                 2
 07/12/2018   07:47:03   ( -69.95,-120.68) 07/12/2018   07:48:15  ( -69.95,-120.52)    6.00                72
 07/14/2018   22:24:36   ( -70.18,  20.25) 07/14/2018   22:23:44  ( -70.18,  20.28)    1.22                52
 07/14/2018   23:14:03   (  70.07,-172.26) 07/14/2018   23:14:28  (  70.06,-172.23)    1.59                25
 07/15/2018   00:03:48   ( -69.14,  -5.89) 07/15/2018   00:04:54  ( -69.12,  -3.55)   92.80                66
 07/17/2018   14:41:06   ( -70.14, 136.07) 07/17/2018   14:40:37  ( -70.15, 136.10)    1.64                29
 07/17/2018   15:30:33   (  70.02, -56.44) 07/17/2018   15:31:21  (  70.03, -56.42)    1.42                48
 07/20/2018   06:08:05   (  70.30,  84.56) 07/20/2018   06:06:52  (  70.37,  84.21)   15.44                73
 07/20/2018   06:57:37   ( -70.09,-108.11) 07/20/2018   06:57:31  ( -70.12,-108.08)    3.22                 6
 07/20/2018   07:47:03   (  70.03,  59.45) 07/20/2018   07:48:15  (  70.01,  59.39)    3.29                72