Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 30.  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)
 05/01/2019   14:41:21   ( -70.15, 135.98) 05/01/2019   14:40:37  ( -70.15, 136.02)    1.72                44
 05/01/2019   15:30:48   (  70.04, -56.53) 05/01/2019   15:31:21  (  70.04, -56.50)    1.39                33
 05/04/2019   06:08:12   (  70.83,  85.23) 05/04/2019   06:07:04  (  70.88,  83.29)   70.85                68
 05/04/2019   06:57:53   ( -70.13,-108.17) 05/04/2019   06:57:34  ( -70.15,-108.22)    2.73                19
 05/04/2019   07:47:20   (  70.02,  59.31) 05/04/2019   07:48:17  (  69.99,  59.34)    3.28                57
 05/06/2019   22:24:56   (  70.21,-159.83) 05/06/2019   22:23:48  (  70.21,-159.86)    1.06                68
 05/06/2019   23:14:26   ( -70.12,   7.66) 05/06/2019   23:14:30  ( -70.11,   7.62)    2.12                 4
 05/07/2019   00:03:58   (  69.73, 174.76) 05/07/2019   00:05:09  (  69.74, 175.48)   27.67                71
 05/09/2019   14:41:30   (  70.19, -44.01) 05/09/2019   14:40:44  (  70.17, -44.03)    2.37                46
 05/09/2019   15:31:00   ( -70.04, 123.42) 05/09/2019   15:31:25  ( -70.06, 123.45)    2.61                25
 05/12/2019   06:58:05   (  70.11,  71.74) 05/12/2019   06:57:39  (  70.13,  71.79)    3.23                26
 05/12/2019   07:47:35   ( -70.02,-120.76) 05/12/2019   07:48:21  ( -70.02,-120.73)    1.35                46