Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 3.  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)
 06/04/2018   21:34:30   ( -71.05,  33.93) 06/04/2018   21:33:23  ( -71.07,  31.46)   89.41                67
 06/04/2018   22:24:11   (  70.18,-159.72) 06/04/2018   22:23:52  (  70.16,-159.76)    3.35                19
 06/04/2018   23:13:41   ( -70.07,   7.75) 06/04/2018   23:14:34  ( -70.08,   7.68)    2.71                53
 06/07/2018   13:51:13   ( -70.20, 148.55) 06/07/2018   13:50:01  ( -70.23, 148.60)    3.05                72
 06/07/2018   14:40:40   (  70.10, -43.96) 06/07/2018   14:40:45  (  70.10, -43.91)    2.19                 5
 06/07/2018   15:30:12   ( -69.88, 123.37) 06/07/2018   15:31:24  ( -69.86, 123.78)   15.79                72
 06/10/2018   06:07:42   ( -70.17, -95.61) 06/10/2018   06:06:55  ( -70.17, -95.55)    2.29                47
 06/10/2018   06:57:09   (  70.06,  71.88) 06/10/2018   06:57:39  (  70.05,  71.95)    2.76                30
 06/12/2018   21:34:29   (  70.89,-146.28) 06/12/2018   21:33:21  (  70.95,-148.34)   75.09                68
 06/12/2018   22:24:11   ( -70.14,  20.23) 06/12/2018   22:23:49  ( -70.13,  20.30)    3.06                22
 06/12/2018   23:13:37   (  70.08,-172.21) 06/12/2018   23:14:34  (  70.06,-172.29)    3.39                57
 06/15/2018   13:51:09   (  70.25, -31.36) 06/15/2018   13:50:02  (  70.22, -31.39)    3.38                67
 06/15/2018   14:40:39   ( -70.15, 136.14) 06/15/2018   14:40:44  ( -70.13, 136.07)    3.28                 5
 06/15/2018   15:30:12   (  69.70, -56.85) 06/15/2018   15:31:22  (  69.70, -55.97)   33.94                70