Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 15.  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)
 05/17/2019   14:41:32   ( -70.11, 136.01) 05/17/2019   14:40:46  ( -70.10, 136.07)    2.55                46
 05/17/2019   15:30:58   (  70.00, -56.50) 05/17/2019   15:31:29  (  69.99, -56.46)    2.14                31
 05/20/2019   06:08:21   (  70.79,  85.26) 05/20/2019   06:07:12  (  70.85,  83.32)   71.32                69
 05/20/2019   06:58:02   ( -70.09,-108.14) 05/20/2019   06:57:41  ( -70.06,-108.12)    3.04                21
 05/20/2019   07:47:29   (  69.98,  59.34) 05/20/2019   07:48:25  (  69.96,  59.36)    2.24                56
 05/22/2019   22:25:03   (  70.16,-159.80) 05/22/2019   22:23:55  (  70.14,-159.78)    2.74                68
 05/22/2019   23:14:33   ( -70.06,   7.69) 05/22/2019   23:14:37  ( -70.03,   7.70)    3.19                 4
 05/23/2019   00:04:05   (  69.67, 174.79) 05/23/2019   00:05:16  (  69.66, 175.56)   29.70                71
 05/25/2019   14:41:34   (  70.12, -43.98) 05/25/2019   14:40:51  (  70.11, -43.97)    1.37                43
 05/25/2019   15:31:04   ( -70.02, 123.52) 05/25/2019   15:31:33  ( -70.00, 123.51)    2.37                29
 05/28/2019   06:08:25   ( -70.90, -94.58) 05/28/2019   06:07:17  ( -70.91, -96.80)   80.71                68
 05/28/2019   06:58:04   (  70.07,  71.84) 05/28/2019   06:57:46  (  70.08,  71.84)    1.09                18
 05/28/2019   07:47:34   ( -69.98,-120.67) 05/28/2019   07:48:28  ( -69.97,-120.68)    0.61                54