Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 8 17.  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)
 08/18/2019   22:25:35   ( -70.18,  20.24) 08/18/2019   22:24:21  ( -70.22,  20.06)    7.90                74
 08/18/2019   23:15:03   (  70.03,-172.34) 08/18/2019   23:15:03  (  70.00,-172.29)    3.30                 0
 08/19/2019   00:04:33   ( -69.92,  -4.86) 08/19/2019   00:05:45  ( -69.91,  -4.84)    1.12                72
 08/21/2019   14:42:05   ( -70.12, 136.03) 08/21/2019   14:41:14  ( -70.14, 135.96)    3.48                51
 08/21/2019   15:31:33   (  69.96, -56.55) 08/21/2019   15:31:57  (  69.98, -56.48)    3.20                24
 08/21/2019   16:21:17   ( -69.08, 109.90) 08/21/2019   16:22:24  ( -69.09, 112.12)   88.30                67
 08/24/2019   06:58:36   ( -70.06,-108.18) 08/24/2019   06:58:08  ( -70.06,-108.15)    1.06                28
 08/24/2019   07:48:03   (  69.95,  59.31) 08/24/2019   07:48:52  (  69.96,  59.32)    0.81                49
 08/26/2019   22:25:35   (  70.21,-159.72) 08/26/2019   22:24:23  (  70.25,-159.98)   10.70                72
 08/26/2019   23:15:06   ( -70.05,   7.69) 08/26/2019   23:15:03  ( -70.04,   7.66)    1.65                 3
 08/27/2019   00:04:34   (  69.88, 175.10) 08/27/2019   00:05:46  (  69.88, 175.21)    4.19                72
 08/29/2019   14:42:06   (  70.13, -43.94) 08/29/2019   14:41:16  (  70.12, -44.01)    2.95                50
 08/29/2019   15:31:37   ( -69.98, 123.47) 08/29/2019   15:31:57  ( -69.96, 123.55)    3.57                20