Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 3 16.  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)
 03/16/2016   06:08:44   ( -70.27, -95.60) 03/16/2016   06:08:01  ( -70.29, -95.60)    1.46                43
 03/16/2016   06:58:11   (  70.18,  71.90) 03/16/2016   06:58:45  (  70.18,  71.88)    0.91                34
 03/18/2016   21:35:32   (  70.92,-146.39) 03/18/2016   21:34:23  (  70.98,-148.25)   67.89                69
 03/18/2016   22:25:12   ( -70.26,  20.25) 03/18/2016   22:24:53  ( -70.25,  20.24)    1.04                19
 03/18/2016   23:14:39   (  70.15,-172.25) 03/18/2016   23:15:37  (  70.15,-172.29)    1.80                58
 03/21/2016   13:52:10   (  70.34, -31.38) 03/21/2016   13:51:03  (  70.32, -31.41)    2.63                67
 03/21/2016   14:41:40   ( -70.23, 136.09) 03/21/2016   14:41:45  ( -70.21, 136.07)    1.72                 5
 03/21/2016   15:31:13   (  69.79, -56.88) 03/21/2016   15:32:23  (  69.80, -55.99)   34.15                70
 03/24/2016   06:08:38   (  70.30,  84.44) 03/24/2016   06:07:55  (  70.29,  84.41)    1.25                43
 03/24/2016   06:58:08   ( -70.19,-108.08) 03/24/2016   06:58:37  ( -70.19,-108.11)    0.95                29
 03/26/2016   21:35:24   ( -71.12,  33.92) 03/26/2016   21:34:17  ( -71.15,  31.48)   87.71                67
 03/26/2016   22:25:05   (  70.24,-159.75) 03/26/2016   22:24:45  (  70.22,-159.70)    3.08                20
 03/26/2016   23:14:35   ( -70.14,   7.73) 03/26/2016   23:15:28  ( -70.16,   7.71)    3.02                53
 03/29/2016   13:52:05   ( -70.35, 148.63) 03/29/2016   13:50:54  ( -70.35, 148.57)    2.33                71
 03/29/2016   14:41:32   (  70.23, -43.88) 03/29/2016   14:41:37  (  70.21, -43.90)    2.90                 5
 03/29/2016   15:31:05   ( -69.97, 123.37) 03/29/2016   15:32:17  ( -69.99, 123.75)   14.85                72