Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 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)
 06/21/2019   06:08:34   (  70.86,  85.37) 06/21/2019   06:07:27  (  70.91,  83.17)   80.21                67
 06/21/2019   06:58:16   ( -70.10,-108.14) 06/21/2019   06:57:55  ( -70.10,-108.20)    2.30                21
 06/21/2019   07:47:43   (  69.99,  59.36) 06/21/2019   07:48:39  (  69.97,  59.30)    3.50                56
 06/23/2019   22:25:17   (  70.15,-159.82) 06/23/2019   22:24:09  (  70.17,-159.87)    3.01                68
 06/23/2019   23:14:47   ( -70.04,   7.66) 06/23/2019   23:14:50  ( -70.03,   7.66)    0.61                 3
 06/24/2019   00:04:19   (  69.66, 174.78) 06/24/2019   00:05:30  (  69.70, 175.47)   27.25                71
 06/26/2019   14:41:48   (  70.09, -44.02) 06/26/2019   14:41:04  (  70.11, -44.01)    2.71                44
 06/26/2019   15:31:18   ( -69.98, 123.46) 06/26/2019   15:31:45  ( -69.97, 123.52)    2.62                27
 06/29/2019   06:08:38   ( -70.90, -94.58) 06/29/2019   06:07:30  ( -70.96, -96.90)   84.58                68
 06/29/2019   06:58:18   (  70.08,  71.85) 06/29/2019   06:57:59  (  70.06,  71.85)    2.73                19
 06/29/2019   07:47:48   ( -69.98,-120.67) 06/29/2019   07:48:41  ( -69.97,-120.70)    1.48                53
 07/01/2019   22:25:21   ( -70.13,  20.15) 07/01/2019   22:24:09  ( -70.12,  20.22)    2.90                72
 07/01/2019   23:14:48   (  70.01,-172.37) 07/01/2019   23:14:53  (  70.00,-172.30)    3.08                 5
 07/02/2019   00:04:20   ( -69.80,  -5.03) 07/02/2019   00:05:32  ( -69.75,  -4.61)   17.26                72
 07/04/2019   14:41:51   ( -70.11, 136.01) 07/04/2019   14:41:05  ( -70.11, 135.99)    0.76                46
 07/04/2019   15:31:18   (  70.00, -56.50) 07/04/2019   15:31:49  (  70.00, -56.53)    0.81                31