Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 7 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)
 07/17/2020   06:58:17   (  70.08,  71.85) 07/17/2020   06:57:31  (  70.09,  71.90)    2.30                46
 07/17/2020   07:47:46   ( -70.02,-120.60) 07/17/2020   07:48:13  ( -70.02,-120.67)    2.58                27
 07/19/2020   22:25:05   ( -70.94,  21.37) 07/19/2020   22:23:58  ( -71.02,  18.87)   91.19                67
 07/19/2020   23:14:46   (  70.08,-172.27) 07/19/2020   23:14:26  (  70.05,-172.28)    2.58                20
 07/20/2020   00:04:16   ( -69.97,  -4.79) 07/20/2020   00:05:08  ( -69.97,  -4.83)    1.78                52
 07/22/2020   14:41:50   ( -70.12, 136.03) 07/22/2020   14:40:38  ( -70.14, 136.05)    1.88                72
 07/22/2020   15:31:17   (  70.02, -56.47) 07/22/2020   15:31:22  (  70.02, -56.45)    0.84                 5
 07/22/2020   16:20:49   ( -69.80, 110.86) 07/22/2020   16:22:01  ( -69.77, 111.23)   14.70                72
 07/25/2020   06:58:20   ( -70.12,-108.09) 07/25/2020   06:57:34  ( -70.10,-108.12)    2.59                46
 07/25/2020   07:47:48   (  69.96,  59.32) 07/25/2020   07:48:18  (  69.98,  59.37)    3.22                30
 07/27/2020   22:25:09   (  70.82,-158.81) 07/27/2020   22:24:01  (  70.84,-160.85)   74.47                68
 07/27/2020   23:14:51   ( -70.06,   7.70) 07/27/2020   23:14:30  ( -70.06,   7.71)    0.13                21
 07/28/2020   00:04:18   (  69.95, 175.19) 07/28/2020   00:05:14  (  69.94, 175.19)    0.32                56
 07/30/2020   14:41:51   (  70.10, -44.00) 07/30/2020   14:40:43  (  70.12, -43.93)    3.51                68
 07/30/2020   15:31:21   ( -70.00, 123.50) 07/30/2020   15:31:25  ( -70.02, 123.53)    3.27                 4
 07/30/2020   16:20:53   (  69.61, -69.40) 07/30/2020   16:22:03  (  69.59, -68.52)   34.19                70