Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 6 21.  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)
 06/22/2016   21:35:33   (  70.77,-146.52) 06/22/2016   21:34:23  (  70.83,-148.15)   59.91                70
 06/22/2016   22:25:12   ( -70.16,  20.22) 06/22/2016   22:24:54  ( -70.17,  20.22)    0.99                18
 06/22/2016   23:14:39   (  70.06,-172.28) 06/22/2016   23:15:38  (  70.05,-172.28)    1.74                59
 06/25/2016   13:52:14   (  70.20, -31.48) 06/25/2016   13:51:06  (  70.23, -31.41)    3.57                68
 06/25/2016   14:41:43   ( -70.15, 136.08) 06/25/2016   14:41:48  ( -70.14, 136.04)    1.76                 5
 06/25/2016   15:31:16   (  69.72, -56.89) 06/25/2016   15:32:26  (  69.70, -55.99)   34.62                70
 06/28/2016   06:08:44   (  70.18,  84.37) 06/28/2016   06:07:59  (  70.20,  84.40)    2.37                45
 06/28/2016   06:58:13   ( -70.13,-108.07) 06/28/2016   06:58:41  ( -70.11,-108.15)    3.60                28
 06/30/2016   21:35:32   ( -71.14,  34.04) 06/30/2016   21:34:26  ( -71.18,  31.27)   99.60                66
 06/30/2016   22:25:15   (  70.16,-159.79) 06/30/2016   22:24:53  (  70.18,-159.79)    2.51                22
 06/30/2016   23:14:45   ( -70.05,   7.69) 06/30/2016   23:15:34  ( -70.03,   7.75)    3.21                49
 07/03/2016   13:52:18   ( -70.29, 148.64) 07/03/2016   13:51:05  ( -70.37, 148.37)   13.00                73
 07/03/2016   14:41:46   (  70.12, -43.96) 07/03/2016   14:41:46  (  70.11, -43.91)    2.83                 0
 07/03/2016   15:31:16   ( -70.03, 123.53) 07/03/2016   15:32:28  ( -70.01, 123.56)    2.23                72