Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 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)
 07/14/2018   22:24:35   ( -70.21,  20.31) 07/14/2018   22:23:44  ( -70.19,  20.26)    3.25                51
 07/14/2018   23:14:03   (  70.06,-172.27) 07/14/2018   23:14:28  (  70.06,-172.24)    1.24                25
 07/15/2018   00:03:48   ( -69.12,  -5.91) 07/15/2018   00:04:54  ( -69.14,  -3.57)   92.85                66
 07/17/2018   14:41:06   ( -70.17, 136.13) 07/17/2018   14:40:38  ( -70.16, 136.08)    2.12                28
 07/17/2018   15:30:33   (  70.02, -56.45) 07/17/2018   15:31:21  (  70.04, -56.43)    2.97                48
 07/20/2018   06:08:05   (  70.29,  84.54) 07/20/2018   06:06:52  (  70.38,  84.20)   16.37                73
 07/20/2018   06:57:36   ( -70.13,-108.06) 07/20/2018   06:57:31  ( -70.13,-108.10)    1.73                 5
 07/20/2018   07:47:03   (  70.02,  59.44) 07/20/2018   07:48:15  (  70.02,  59.39)    1.90                72
 07/22/2018   22:24:37   (  70.18,-159.73) 07/22/2018   22:23:43  (  70.20,-159.74)    2.15                54
 07/22/2018   23:14:07   ( -70.08,   7.75) 07/22/2018   23:14:24  ( -70.06,   7.80)    2.98                17
 07/23/2018   00:03:48   (  69.19, 174.19) 07/23/2018   00:04:54  (  69.20, 176.36)   85.58                66
 07/25/2018   14:41:08   (  70.13, -43.93) 07/25/2018   14:40:36  (  70.13, -43.86)    2.90                32
 07/25/2018   15:30:38   ( -70.02, 123.56) 07/25/2018   15:31:18  ( -70.03, 123.61)    2.28                40