Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 7 13.  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)
 07/14/2020   14:41:45   (  70.17, -43.90) 07/14/2020   14:40:35  (  70.15, -43.96)    2.85                70
 07/14/2020   15:31:16   ( -70.00, 123.49) 07/14/2020   15:31:16  ( -70.02, 123.56)    3.47                 0
 07/14/2020   16:20:46   (  69.73, -69.23) 07/14/2020   16:21:57  (  69.73, -68.70)   20.39                71
 07/17/2020   06:58:16   (  70.11,  71.90) 07/17/2020   06:57:31  (  70.11,  71.87)    1.21                45
 07/17/2020   07:47:46   ( -70.00,-120.63) 07/17/2020   07:48:12  ( -69.98,-120.61)    2.47                26
 07/19/2020   22:25:05   ( -70.97,  21.42) 07/19/2020   22:23:58  ( -70.98,  18.93)   90.23                67
 07/19/2020   23:14:47   (  70.05,-172.31) 07/19/2020   23:14:27  (  70.07,-172.31)    2.95                20
 07/20/2020   00:04:17   ( -69.94,  -4.83) 07/20/2020   00:05:08  ( -69.94,  -4.78)    2.02                51
 07/22/2020   14:41:50   ( -70.15, 136.07) 07/22/2020   14:40:39  ( -70.15, 136.03)    1.62                71
 07/22/2020   15:31:17   (  70.04, -56.45) 07/22/2020   15:31:23  (  70.03, -56.48)    1.28                 6
 07/22/2020   16:20:49   ( -69.77, 110.81) 07/22/2020   16:22:01  ( -69.79, 111.21)   15.46                72
 07/25/2020   06:58:19   ( -70.13,-108.07) 07/25/2020   06:57:34  ( -70.11,-108.14)    3.42                45
 07/25/2020   07:47:46   (  70.02,  59.41) 07/25/2020   07:48:18  (  70.00,  59.34)    3.64                32