Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 11.  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)
 05/12/2019   06:08:17   ( -70.87, -94.62) 05/12/2019   06:07:09  ( -70.95, -96.83)   80.95                68
 05/12/2019   06:57:56   (  70.11,  71.89) 05/12/2019   06:57:39  (  70.11,  71.83)    2.43                17
 05/12/2019   07:47:27   ( -69.95,-120.70) 05/12/2019   07:48:20  ( -69.96,-120.63)    2.74                53
 05/14/2019   22:25:02   ( -70.15,  20.18) 05/14/2019   22:23:51  ( -70.18,  20.17)    3.33                71
 05/14/2019   23:14:29   (  70.04,-172.34) 05/14/2019   23:14:34  (  70.02,-172.27)    3.24                 5
 05/15/2019   00:04:02   ( -69.77,  -5.07) 05/15/2019   00:05:14  ( -69.81,  -4.65)   17.03                72
 05/17/2019   14:41:33   ( -70.15, 136.05) 05/17/2019   14:40:46  ( -70.15, 135.99)    2.24                47
 05/17/2019   15:31:00   (  70.04, -56.47) 05/17/2019   15:31:30  (  70.04, -56.54)    2.66                30
 05/20/2019   06:08:22   (  70.97,  85.52) 05/20/2019   06:07:15  (  71.01,  83.05)   89.38                67
 05/20/2019   06:58:06   ( -70.11,-108.13) 05/20/2019   06:57:42  ( -70.11,-108.19)    2.22                24
 05/20/2019   07:47:33   (  70.00,  59.35) 05/20/2019   07:48:26  (  70.01,  59.27)    3.24                53
 05/22/2019   22:25:09   (  70.18,-159.80) 05/22/2019   22:23:56  (  70.19,-159.86)    2.78                73
 05/22/2019   23:14:40   ( -70.04,   7.63) 05/22/2019   23:14:37  ( -70.03,   7.70)    2.76                 3
 05/23/2019   00:04:08   (  69.86, 175.03) 05/23/2019   00:05:20  (  69.88, 175.24)    8.32                72