Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 14.  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)
 06/15/2018   13:51:17   (  70.33, -31.28) 06/15/2018   13:50:04  (  70.36, -31.60)   12.44                73
 06/15/2018   14:40:49   ( -70.11, 136.04) 06/15/2018   14:40:43  ( -70.12, 136.08)    2.15                 6
 06/15/2018   15:30:16   (  70.01, -56.46) 06/15/2018   15:31:27  (  69.99, -56.41)    2.54                71
 06/18/2018   06:07:50   (  70.21,  84.43) 06/18/2018   06:06:56  (  70.20,  84.41)    1.29                54
 06/18/2018   06:57:20   ( -70.11,-108.09) 06/18/2018   06:57:38  ( -70.13,-108.15)    3.32                18
 06/18/2018   07:47:01   (  69.23,  58.35) 06/18/2018   07:48:08  (  69.26,  60.44)   82.27                67
 06/20/2018   22:24:22   (  70.15,-159.78) 06/20/2018   22:23:50  (  70.16,-159.75)    1.97                32
 06/20/2018   23:13:52   ( -70.05,   7.70) 06/20/2018   23:14:31  ( -70.03,   7.77)    3.27                39
 06/23/2018   13:51:19   ( -70.63, 149.16) 06/23/2018   13:50:08  ( -70.66, 147.93)   45.42                71
 06/23/2018   14:40:53   (  70.13, -43.93) 06/23/2018   14:40:44  (  70.12, -43.91)    1.67                 9
 06/23/2018   15:30:23   ( -70.03, 123.56) 06/23/2018   15:31:26  ( -70.04, 123.54)    1.19                63
 06/26/2018   06:07:56   ( -70.23, -95.55) 06/26/2018   06:06:53  ( -70.20, -95.57)    3.43                63
 06/26/2018   06:57:24   (  70.06,  71.85) 06/26/2018   06:57:37  (  70.08,  71.93)    3.69                13
 06/26/2018   07:47:01   ( -69.58,-121.19) 06/26/2018   07:48:11  ( -69.57,-120.00)   46.17                70