Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 26.  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)
 06/28/2018   22:24:28   ( -70.17,  20.24) 06/28/2018   22:23:47  ( -70.16,  20.28)    2.20                41
 06/28/2018   23:13:55   (  70.06,-172.27) 06/28/2018   23:14:32  (  70.08,-172.29)    1.80                37
 07/01/2018   13:51:20   (  70.75, -30.66) 07/01/2018   13:50:11  (  70.82, -32.33)   61.85                69
 07/01/2018   14:40:59   ( -70.15, 136.09) 07/01/2018   14:40:42  ( -70.17, 136.04)    2.98                17
 07/01/2018   15:30:26   (  70.04, -56.42) 07/01/2018   15:31:26  (  70.04, -56.46)    1.57                60
 07/04/2018   06:07:59   (  70.23,  84.45) 07/04/2018   06:06:53  (  70.21,  84.43)    1.72                66
 07/04/2018   06:57:29   ( -70.12,-108.07) 07/04/2018   06:57:35  ( -70.13,-108.13)    2.41                 6
 07/04/2018   07:47:02   (  69.68,  58.96) 07/04/2018   07:48:13  (  69.69,  59.84)   34.10                71
 07/06/2018   22:24:30   (  70.19,-159.72) 07/06/2018   22:23:47  (  70.18,-159.75)    2.04                43
 07/06/2018   23:14:00   ( -70.09,   7.77) 07/06/2018   23:14:29  ( -70.09,   7.70)    2.54                29
 07/09/2018   13:51:20   ( -71.04, 149.78) 07/09/2018   13:50:13  ( -71.10, 147.23)   92.47                67
 07/09/2018   14:41:01   (  70.16, -43.89) 07/09/2018   14:40:41  (  70.15, -43.92)    1.87                20
 07/09/2018   15:30:31   ( -70.06, 123.60) 07/09/2018   15:31:23  ( -70.06, 123.53)    2.71                52