Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 24.  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)
 06/26/2018   06:07:56   ( -70.23, -95.56) 06/26/2018   06:06:53  ( -70.21, -95.58)    2.25                63
 06/26/2018   06:57:24   (  70.07,  71.86) 06/26/2018   06:57:37  (  70.08,  71.93)    2.81                13
 06/26/2018   07:47:01   ( -69.58,-121.19) 06/26/2018   07:48:11  ( -69.58,-120.01)   45.91                70
 06/28/2018   22:24:28   ( -70.16,  20.22) 06/28/2018   22:23:47  ( -70.17,  20.26)    2.04                41
 06/28/2018   23:13:55   (  70.05,-172.29) 06/28/2018   23:14:31  (  70.04,-172.24)    2.24                36
 07/01/2018   13:51:20   (  70.73, -30.68) 07/01/2018   13:50:10  (  70.79, -32.27)   58.64                70
 07/01/2018   14:40:59   ( -70.14, 136.07) 07/01/2018   14:40:41  ( -70.13, 136.10)    1.28                18
 07/01/2018   15:30:26   (  70.03, -56.44) 07/01/2018   15:31:25  (  70.00, -56.41)    2.72                59
 07/04/2018   06:08:00   (  70.21,  84.43) 07/04/2018   06:06:54  (  70.23,  84.40)    2.13                66
 07/04/2018   06:57:30   ( -70.11,-108.08) 07/04/2018   06:57:35  ( -70.09,-108.07)    2.32                 5
 07/04/2018   07:47:03   (  69.67,  58.94) 07/04/2018   07:48:13  (  69.65,  59.89)   36.89                70
 07/06/2018   22:24:30   (  70.18,-159.74) 07/06/2018   22:23:47  (  70.20,-159.78)    2.27                43
 07/06/2018   23:14:00   ( -70.09,   7.76) 07/06/2018   23:14:28  ( -70.06,   7.76)    3.14                28