Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 5 30.  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)
 06/02/2018   06:07:40   (  70.24,  84.31) 06/02/2018   06:06:58  (  70.25,  84.32)    1.02                42
 06/02/2018   06:57:10   ( -70.13,-108.22) 06/02/2018   06:57:39  ( -70.11,-108.15)    2.74                29
 06/04/2018   21:34:29   ( -70.92,  33.57) 06/04/2018   21:33:20  ( -70.94,  31.67)   69.12                69
 06/04/2018   22:24:07   (  70.22,-159.84) 06/04/2018   22:23:52  (  70.19,-159.82)    2.77                15
 06/04/2018   23:13:37   ( -70.11,   7.64) 06/04/2018   23:14:34  ( -70.11,   7.63)    0.36                57
 06/07/2018   13:51:07   ( -70.30, 148.52) 06/07/2018   13:50:03  ( -70.31, 148.47)    2.19                64
 06/07/2018   14:40:34   (  70.19, -44.00) 06/07/2018   14:40:47  (  70.19, -44.04)    1.72                13
 06/07/2018   15:30:11   ( -69.70, 122.95) 06/07/2018   15:31:21  ( -69.68, 124.04)   42.22                70
 06/10/2018   06:07:34   ( -70.27, -95.64) 06/10/2018   06:06:57  ( -70.26, -95.68)    2.28                37
 06/10/2018   06:57:01   (  70.16,  71.84) 06/10/2018   06:57:41  (  70.14,  71.81)    2.30                40
 06/12/2018   21:34:26   (  70.56,-146.97) 06/12/2018   21:33:14  (  70.61,-147.78)   30.41                72
 06/12/2018   22:24:01   ( -70.18,  20.11) 06/12/2018   22:23:50  ( -70.20,  20.18)    3.23                11
 06/12/2018   23:13:27   (  70.12,-172.33) 06/12/2018   23:14:34  (  70.09,-172.33)    3.69                67