Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 14.  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)
 05/14/2020   06:08:06   ( -71.04, -94.44) 05/14/2020   06:06:59  ( -71.05, -97.00)   92.38                67
 05/14/2020   06:57:48   (  70.11,  71.81) 05/14/2020   06:57:27  (  70.11,  71.84)    1.24                21
 05/14/2020   07:47:18   ( -70.01,-120.69) 05/14/2020   07:48:09  ( -70.01,-120.70)    0.23                51
 05/16/2020   22:24:52   ( -70.25,  20.23) 05/16/2020   22:23:39  ( -70.28,  20.04)    7.97                73
 05/16/2020   23:14:20   (  70.08,-172.37) 05/16/2020   23:14:21  (  70.07,-172.32)    2.24                 1
 05/17/2020   00:03:50   ( -69.98,  -4.87) 05/17/2020   00:05:03  ( -69.97,  -4.86)    1.41                73
 05/19/2020   14:41:26   ( -70.16, 135.97) 05/19/2020   14:40:32  ( -70.19, 135.96)    2.72                54
 05/19/2020   15:30:53   (  70.04, -56.55) 05/19/2020   15:31:15  (  70.03, -56.49)    3.14                22
 05/19/2020   16:20:37   ( -69.18, 109.91) 05/19/2020   16:21:43  ( -69.19, 112.05)   84.83                66
 05/22/2020   06:58:00   ( -70.13,-108.22) 05/22/2020   06:57:26  ( -70.15,-108.21)    1.72                34
 05/22/2020   07:47:27   (  70.01,  59.26) 05/22/2020   07:48:10  (  70.04,  59.26)    3.21                43
 05/24/2020   22:24:56   (  70.63,-159.26) 05/24/2020   22:23:46  (  70.69,-160.61)   50.08                70
 05/24/2020   23:14:34   ( -70.10,   7.60) 05/24/2020   23:14:19  ( -70.11,   7.62)    1.22                15
 05/25/2020   00:04:01   (  69.99, 175.08) 05/25/2020   00:05:03  (  70.01, 175.09)    2.61                62
 05/27/2020   14:41:40   (  70.17, -44.09) 05/27/2020   14:40:31  (  70.18, -44.03)    3.02                69
 05/27/2020   15:31:10   ( -70.08, 123.41) 05/27/2020   15:31:13  ( -70.08, 123.45)    1.44                 3
 05/27/2020   16:20:41   (  69.74, -69.41) 05/27/2020   16:21:52  (  69.71, -68.70)   27.78                71