Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 4 28.  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)
 04/30/2017   22:24:41   (  70.18,-159.74) 04/30/2017   22:23:44  (  70.18,-159.77)    1.37                57
 04/30/2017   23:14:11   ( -70.07,   7.73) 04/30/2017   23:14:26  ( -70.09,   7.69)    2.79                15
 05/01/2017   00:03:50   (  69.30, 174.33) 05/01/2017   00:04:57  (  69.28, 176.18)   72.78                67
 05/03/2017   14:41:10   (  70.11, -43.95) 05/03/2017   14:40:38  (  70.10, -43.87)    3.10                32
 05/03/2017   15:30:40   ( -70.00, 123.53) 05/03/2017   15:31:20  ( -70.00, 123.59)    2.21                40
 05/06/2017   06:08:07   ( -70.42, -95.25) 05/06/2017   06:06:55  ( -70.49, -96.03)   30.15                72
 05/06/2017   06:57:38   (  70.09,  71.92) 05/06/2017   06:57:33  (  70.07,  71.94)    2.86                 5
 05/06/2017   07:47:08   ( -69.99,-120.59) 05/06/2017   07:48:15  ( -69.97,-120.60)    1.95                67
 05/08/2017   22:24:39   ( -70.14,  20.23) 05/08/2017   22:23:43  ( -70.15,  20.28)    2.23                56
 05/08/2017   23:14:06   (  70.02,-172.29) 05/08/2017   23:14:27  (  70.04,-172.25)    2.67                21
 05/09/2017   00:03:48   ( -69.26,  -5.70) 05/09/2017   00:04:56  ( -69.26,  -3.78)   75.37                68
 05/11/2017   14:41:07   ( -70.12, 136.10) 05/11/2017   14:40:38  ( -70.13, 136.08)    0.78                29
 05/11/2017   15:30:34   (  70.01, -56.42) 05/11/2017   15:31:22  (  70.02, -56.45)    1.85                48